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In hot summer as we move up refractive i...

In hot summer as we move up refractive index of air in atmosphere ........

A

decreases

B

increases

C

does not change

D

becomes less than one

Text Solution

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The correct Answer is:
A, B, C

increases
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KUMAR PRAKASHAN-RAY OPTICS AND OPTICAL INSTRUMENTS-SECTION-D (MULTIPLE CHOICE QUESTIONS (MCQs))(MCQs FROM .DARPAN. BASED ON TEXTBOOK)(REFRACTION)
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  2. When light ray travels from denser to rarer medium and if theta1 is in...

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  3. In hot summer as we move up refractive index of air in atmosphere .......

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  4. The velocity of light in vacuum can be changed by changing ......

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  5. Refractive index of glass with respect to air is 1.8. So refractive in...

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  6. When a ray of light enters into the medium of refractive index of mu, ...

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  7. Green light of wavelength 5460 Å is incident on an air and glass inter...

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  8. Velocity of light in diamond, glass and water decreases in the followi...

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  9. The refractive indices of water and glass are 1.2 and 1.5 respectively...

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  10. A sound wave travels from air to water. The angle of incidence is alph...

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  11. A complete transparent object is invisible ir free space, then what is...

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  12. Refractive index of diamond is 2. Speed of ligh in it is ...... Cm//s.

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  13. A ray of light having intensity 0.5 (W)/(m^2) is incident perpendicula...

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  14. A ray of light is incident on liquid surface such that reflected and r...

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  15. Light ray travels from air to glass and air to water, as shown in figu...

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  16. An observer stand on the bank of lake finds fish at the depth 12 cm in...

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  17. A water tank is partially fill upto 2 m height. As shown in figure, 0....

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  18. A glass slab having refractive index n and thickness d is placed on th...

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  19. A mark at the bottom of a liquid beaker appears to rise by 0.1 m. If t...

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  20. A swimmer is diving in a swimming pool vertically down with a velocity...

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