TEST 9 (X-REFRACTION OF LIGHT AT PLANE SURFACES)
EFFORTS NEVER FAIL
Name : *
1. Radius of curvature =.............× focal length. *
1 point
2. A bunch of optical thin fibers form a *
1 point
3. The ratio of speed of light in vacuum to the speed of light in that medium is defined as *
1 point
4. At critical angle of incidence, the angle of refraction is *
1 point
5. Mirages phenomenon *
1 point
6. The distance between incident ray and emergent ray in a glass slab is called *
1 point
7.The shining of diamond is due to *
1 point
8. The critical angle of a diamond is *
1 point
9. When a light ray propagates through one medium to another medium is expressed in terms of *
1 point
10 If the temperature is decreases then the result density of air *
1 point
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