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In which medium the speed of the sound i...

In which medium the speed of the sound is maximum?

A

Vacuum

B

Water

C

Glass

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
The speed of light in air and vacuum is maximum i.e. `3xx 10^8 m// s` . The speed of light in different media such as glass and water will be `2 xx 10^8 m//s` and `2.25 xx 10^8m//s` respectively.
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AGRAWAL EXAM CART BIHAR-REFLECTION OF LIGHT, MULTIPLE REFLECTION AND HUMAN EYE AND ITS CARE-JNV PREVIOUS YEAR (2007-2020) QUESTIONS
  1. Which of the following can never form a circular shadow

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  2. Bouncing back of ray of light from shining surface on which it was inc...

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  3. In which medium the speed of the sound is maximum?

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  4. The blue colour of sky is due to :

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  5. Which lens is used to rectify myopia ?

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  6. Which of the following has maximum energy?

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  7. Due to which the air bubble seems to be sparkling in the water ?

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  8. A person effected by colour blindners feels problem to identify which ...

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  9. Choose the correct statement for making the images by plain mirror: ...

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  10. The human eye forms the image of an object at its

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  11. From the following which can convert an incident light from a point so...

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  12. Which mirror is used as a back mirror in motor vehicles ?

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  13. Which part of the donor's eye is transplanted in eye donation ?

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  14. In which of the following medium the speed of light is maximum ?

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  15. The vision range for a normal human eye is:

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  16. The stars twinkle in the sky because of:

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  17. By which reason the colour of sky seems blue?

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  18. The speed of light in vacuum is equal to

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  19. To find the focal length of a convex lens, an image of a far located t...

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  20. What the splitting of light into colours by a prism is called ?

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