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In activity 1, why does the portion of t...

In activity 1, why does the portion of the pencil inside the water appears to be thicker and broken near the surf ace of water?

A

reflection of light

B

refraction of light

C

total internal reflection

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
refraction of light
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AGRAWAL EXAM CART BIHAR-REFLECTION OF LIGHT, MULTIPLE REFLECTION AND HUMAN EYE AND ITS CARE-IMPORTANT QUESTIONS
  1. Which mirror has a wider field of view ?

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  2. Explain why, a ray of light passing through the centre of curvature of...

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  3. Arranging in the ascending order of wave length, which one is true?

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  4. In a transparent medium, the velocity........ light is the least.

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  5. Pigments are mixed according to ..... method.

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  6. A change in the focal length of the eye lens is brought by.

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  7. In the spectrum of visible light which colour of light deviates the ma...

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  8. "…....................." light is deviated the maximum in the spectrum...

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  9. What are that number of primary colours ?

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  10. What are that number of primary colours ?

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  11. Hypermetropia is caused by :

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  12. Myopia can be corrected using:

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  13. Twinkling of stars is due to atmospheric

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  14. When a ray goes from an optically rarer medium to a denser medium, it:

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  15. Magnification produced by a plane mirror is:

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  16. Focal length of a plane mirror is

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  17. When a ray of light is incident normally on a surface, then

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  18. In activity 1, why does the portion of the pencil inside the water app...

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  19. For point of normal human eye is:

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  20. The amount of light entering the eye is controlled by the

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