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Mrs. Kohl assignment
Question | Answer |
---|---|
t/f all of the wave's energy bounces back. | true. |
what way to concave mirrors curve? | inward. |
what way do convex mirrors curve? | outward. |
what way to plane mirrors curve? | they don't curve inward or outward; flat. |
t/f the angle of incidence equals the angle of reflection? | true. |
t/f concave mirrors are virtual? | false; real. |
what is an echo? | a reflected sound. |
t/f a normal should be a dashed line? | true. |
what is the type of image of a plane? | virtual. |
convex: what is the distance? | farther. |
What is then bending of a wave as it crosses the boundary between two media at an angle? | refraction. |
Metal surfaces are _____ to light waves. | rigid. |
t/f some waves are not reflected? | false; partially. |
Give two examples of materials that are not as rigid to light waves. | glass, water. |
Is an incident ray bouncing off or incoming? | incoming. |