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Light Quiz – 4

 

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#1. Which one of the following is not a luminous object ?

#2. Near - sightedness is humans is called ________.

#3. Light is a transverse wave, which of the only event proving this ?

#4. What is the absolute refractive index of air ?

#5. To an astronaut in space, the sky will appear to be ________.

#6. Who can be held responsible for the fact that the sun is visible 2 minutes before the actual sunrise and about 2 minutes after the actual sunset?

#7. The process of glare resulting from a collision caused by a collision with particles floating in a fluid of light is called ______.

#8. Light enters the eye from __________.

#9. A water tank appears shallower when it is viewed from top due to _______.

#10. Due to atmospheric refraction,sunrise and sunset can be delayed by about _______.

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