dexheimer
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | stays the same
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| show | force divided by area
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| The SI unit of pressure is the | show 🗑
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| show | is transmitted unchanged throughout the fluid
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| show | weight of the displaced fluid
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| According to Bernoulli’s principle as the velocity of a fluid increases the | show 🗑
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| As heat is applied to a sample of liquid water at 1 degree Celsius the volume of the water | show 🗑
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| show | solids
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| An object that is deformed by a force and returns to its original form when the force is removed is exhibiting the property of | show 🗑
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| The_______state is the state of matter in which electrons have been torn away from the atoms | show 🗑
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| show | cohesive
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| increasing the amplitude of a wave _________the rate of energy transfer | show 🗑
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| Frequency is________related to period | show 🗑
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| show | meters
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| show | frequency
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| show | normal
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| A __________wave vibrates in a direction perpendicular tp the direction of wave models | show 🗑
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| Which of the following usually transmits energy without transferring matter? | show 🗑
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| The time interval during which wave motion repeats is the | show 🗑
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| show | frequency
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| show | the medium through which it travels
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| show | a node
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| show | refraction
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| show | diffraction
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| show | 1/2
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| The frequency of a beat is the _________of the frequencies of the two waves that produce it | show 🗑
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| show | reflection
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| show | longitudinal
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| show | it decreases
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| show | the Doppler shift
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| show | frequency
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| show | octave
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| What kind of wave is light? | show 🗑
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| Which of the following characteristics of light has a defined value | show 🗑
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| The rate, in lumens, at which light is emitted from a lightbulb is the bulb’s | show 🗑
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| show | 1/r^2
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| Very thin whit tissue paper can best be described as | show 🗑
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| Materials that do not allow any transmission of light are described as | show 🗑
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| show | additive
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| show | straight
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| A primary pigment reflects _____primary colors from white light | show 🗑
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| The spectrum of colors produced by an oil film on water is due to the __________by a_______ | show 🗑
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| The waves that cannot pass through a polarizing filter are those that are vibrating_______to the polarizing axis | show 🗑
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| From which service would light rays undergo regular reflection | show 🗑
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| show | light travels through two mediums that have optical densities
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| When light rays travel from one medium into a less optically dense medium | show 🗑
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| show | Beryl disperses light more than does quartz
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| The angle of incidence is always______the angle of reflection | show 🗑
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| The higher the index of refraction is, the _________is the speed of light in the substance | show 🗑
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| For most practical purposes, the index of refraction of the air can be considered equal to | show 🗑
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| A vacuum has an index of refraction that is _______than that of any substance | show 🗑
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| In a glass prism, the index of refraction for red light is ______that than for violet light | show 🗑
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| What aberration can be reduced by joining together a converging lens and a diverging lens? | show 🗑
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| show | negative
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| show | concave
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| show | magnification
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| The focal length of a spherical mirror equals | show 🗑
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| show | light rays converge at the image
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| show | virtual and larger than the object
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| The image formed of an object located more than twice the focal length from a convex lens is | show 🗑
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| show | more obvious
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| For a ________experiment, the wavelength equals wavelength(d)/L | show 🗑
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| The destructive and constructive interference of light that passes through two closely spaced slits produced | show 🗑
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| The bending of waves around the edge of barriers is called | show 🗑
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| The paths of light waves that come from two slits and that interfere to form first-order lines | show 🗑
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| show | a bright central band, with dimmer bands to the sides
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| show | resolving power
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| show | increasing the size of the lens
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| Bits of paper stick to a plastic comb that has been rubbed because of | show 🗑
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| show | insulator
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| show | conduction
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| show | separation of charge
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| show | charges exert force on other charges over a distance
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| The forces that charge qA exerts on charge qB is opposite and ________the force that charge qB exerts on qA | show 🗑
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| show | direction
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| If an electroscope that is negatively charged is touched with a rod with a negative charge | show 🗑
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| show | lightning, a finger attracting charged tape, a comb picking up paper bits
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| show | opposite
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| In a ___________the potential difference between two points if ound using the equation deltaV equals Ed | show 🗑
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| show | grounding
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| The charges on a hollow conductor are found on the _______surface | show 🗑
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| A ________is made up of two conductors separated by an insulator | show 🗑
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| An electric field is equal to | show 🗑
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| show | directly proportional to the magnitude of the field
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| show | both the magnitude of the field and the size of the charge
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| show | closer together
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| show | a Van de Graff machine
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| show | electric current
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| show | electric circuit
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| When a water wheel drives a generator, the generator converts the_______________of the water to electric energy | show 🗑
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| show | power
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| show | ampere
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| show | resistance
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| A device that has constant resistance and appears to be independent of the __________is said to obey Ohm’s law | show 🗑
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| The current flowing in an electric current can be increased by | show 🗑
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| A device that measures the amount of current in a circuit is a | show 🗑
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| Space heaters convert most of the electric energy in a circuit into_______energy | show 🗑
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| show | this reduces the current and less power is lost as thermal energy
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| show | kilowatt-hours
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| show | current
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| show | less than
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| show | ammeter
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| show | voltage drop
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| show | one
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| A series circuit contains a generator, an ammeter, and a lamp. The current in the lamp is | show 🗑
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| A series circuit contains four resistors. What is the equivalent resistance of the circuit | show 🗑
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| show | voltage divider
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| show | three
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| In an electric circuit,____________are switches that act as safety devices | show 🗑
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| show | magnitude
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| When two parallel wires carry currents in opposite directions, their magnetic fields___________each other | show 🗑
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| A device used to measure very small electric currents is an | show 🗑
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| show | half
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| The speed of an electric motor can be controlled by_________the current flow | show 🗑
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| An object that is magnetic has | show 🗑
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| show | proportional
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| show | increase
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| In a magnetic material, the_______act like tiny electromagnets | show 🗑
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| The magnetic force on a current-carrying wire in a magnetic field is_____________the direction of the current | show 🗑
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| An electric current is generated in a wire when the wire is moved so that it _________magnetic field lines | show 🗑
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| Current can be made to flow in a stationary wire by moving a magnetic field_______to the wire | show 🗑
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| show | velocity
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| show | electrical
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| show | mechanical
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| show | opposes
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| If a generator produces only a small current, then the opposing force on the armature will be small and the armature will be ______to turn | show 🗑
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| show | large
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| show | repels
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| show | eddy currents
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| In a ______________transformer, the primary voltage is greater than the secondary voltage | show 🗑
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| In a wire coild, the faster the current changes, the _________the opposing EMF | show 🗑
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| show | a coiled wire passing through a changing magnetic field
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| Describe the relationship between the amplitude of a wave and the energy that is transferred by the wave | show 🗑
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| How do molecules in air allow a distant listener to hear a trumpet? | show 🗑
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| show | black, because the dress absorbs athe green light, and doesn’t reflect any colors
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| show | reg reflection happens on a smooth surface and parallel rays reflect the same, Diffuse reflection is when the rays are sent in different directions because of an uneven surface
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| show | with 2 like charges the force of repulsion is stronger
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| show | Yes the electricity would run through the metal frame of the car, then to the eart, the people are surrounded by insulators
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| show | the house is wired in parallel so every appliance gets the same voltage at low resistance
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| show | more appliances in use reduce the total resistance because they are wired in parallel, As resistance decreases, current increases.
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| show | magnetic material has electrons moving in an orderly pattern, most materials have electrons that are random
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| An electric wire carries current in a straight line from east to west What is the direction of the field above and below the wire? | show 🗑
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| show | they are opposites, a generator turns mechanical energy into electric energy and a motor turns electric into mechanical
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| What happens to primary voltage when the number of turns on the secondary transformer coil is doubled? | show 🗑
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To hide a column, click on the column name.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
rangerlove13
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