Reflection and Refraction MCQ Questions and Answers for Practice

1. A beam of light emerges from water into air at an angle. The beam is bent

1. away from the normal
2. not at all
3. 48 degrees upward
4. 96 degrees upward

2. A mirage can occur

1. when cooler air is above hotter air
2. when there is a layer of hot air close to the ground
3. on a hot day
4. all of the above

3. A penny lies in the bottom of a tea cup filled with water. As you look down on the penny, compared to its actual depth, it looks

1. closer
2. farther away
3. at the same depth
4. none of the above

4. A person standing waist-deep in a swimming pool appears to have short legs because of light

1. refraction
2. interference
3. diffraction
4. reflection

5. A person standing waist-deep in a swimming pool appears to have short legs because of light

1. refraction
2. interference
3. diffraction
4. reflection

6. A rainbow nicely illustrates an example of light

1. internal reflection
2. refraction
3. both A and B
4. neither A nor B

7. Stars twinkle when seen from Earth at night. When seen from the moon, stars

1. twinkle less
2. twinkle more
3. dont twinkle
4. non of the above

8. The explanation for a filled root beer mug looking fuller than it is involves

1. refraction
2. reflection
3. both
4. neither

9. When a light beam emerges from water into air, the average light speed

1. remains the same
2. decreases
3. increases
4. none of the above