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Class 12 Physics Practice Test: Ray Optics and Optical Instruments
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Class 12 Physics Practice Test: Ray Optics and Optical Instruments
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10 Questions

1. Identify the factor on which the angle of deviation of the prism does not depend.
2. What will be the color of the sky in the absence of the atmosphere?
3. Which of the following causes dispersion?
4. What is the cause of the blue color of the ocean?
5. The refraction in a water tank makes apparent depth the same throughout.
6. What is the relative refractive index of water with respect to glass?
7. On what factor does the normal shift through a refracting medium depend?
8. Calculate the refractive index of the material of an equilateral prism for which the angle of minimum deviation is 60°.
9. What happens to the frequency and the wavelength when light passes from a rarer to a denser medium?
10. A lens immersed in a transparent liquid is not visible. Under what condition can this happen?

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