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Physics Grade 11 QCE
Unit 1 & 2 exam
| Term | Definition |
|---|---|
| What is the calculation for heat energy? | Q=mc^T |
| To which value does the metric prefix 'nano' correspond? | 10^-9 |
| How many significant figures are there in the measurement 6.37 x 10^3 m | 3 |
| What is 15.8 x 7.2 expressed to the correct number of significant figures? | 110 |
| What would be your final displacement if you walked 2.00 km North, then 6.00 km South followed by a final leg of 4.00 km North? (don't include km) | 0.00 |
| Is this statement true (answer with T or F): Average speed and instantaneous speed can never be the same | F |
| Is this statement true (answer with T or F): Average speed and the magnitude of average velocity are always the same | F |
| Is this statement true (answer with T or F): Maximum instantaneous speed will always be greater than average speed | T |
| Is this statement true (answer with T or F): Average speed will always be greater than instanteous speed | F |
| Which of the quantity could be either a scalar or a vector? | Acceleration |
| Acceleration is the rate of change of: | Velocity with respect to time |
| Which quantities can be determined from a velocity-time graph? | Acceleration, displacement |
| Which measurement has the greatest percentage error? A: 50 s ± 0.5 s B: 120 m ± 1 m C: 28.0 kg ± 0.05 kg D: 293 K ± 1 K | A |
| An object accelerates from 12 kmh^-1 to 27 kmh^-1 over a duration of 30.0 s. What is its acceleration? (Use no units) | 0.14 |
| Impulse is the same as... | change in momentum |
| The number of waves that travel past a point per second is known as: | Frequency |
| In a longitudinal wave, particles in the medium move in which direction compared to the direction of the wave? | Parallel |
| Light travels from glass (n = 1.49) to water (n = 1.33), with a refracted angle of 23.0°. Calculate the incident angle and answer in degrees. | 20.4 |
| Calculate the specific heat capacity of a substance when 45 kJ of energy are required to raise the temperature of 2.5 kg of the substance from 17°C to 54°C. | 490 J kg^-1 K^-1 |
| Specific latent heat is: | The amount of energy needed to change the state of 1kg of a substance |
| The metric prefix represented by the symbol "m" corresponds to which value? | 0.001 |
| Calculate 5.56 x 10^4 x 3.6 x 10^6 is expressed to the correct number of significant figures. | 2.0 x 10^11 |
| What specifically is meant when an object is "initially stationary"? (In terms of variables) | u = 0 |
| Is this statement true (answer with T or F): Newtons first law applies when an object is moving at a constant velocity. | T |
| Is this statement true (answer with T or F): Newton's first law applies when there is an unbalanced force applied to an object | F |
| Is this statement true (answer with T or F): Newton's first law applies when the reaction force is equal and opposite to the action force | F |
| Is this statement true (answer with T or F): Newton's first law applies when all forces applied to an object are balanced | T |
| Is this statement true (answer with T or F): Newton's first law applies when the object accelerates | F |
Created by:
drewc103
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