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One Nanometer is equal to -----

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Important Questions on Physics

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Indian Army Agniveer
IMPORTANT
Achieve Indian Army Agniveer General Science Practice Book>Chapter 1 - Physics>Exercise 1>Q 29
Optical Fibers' work is based on?
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Indian Army Agniveer
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Achieve Indian Army Agniveer General Science Practice Book>Chapter 1 - Physics>Exercise 1>Q 30
A star is emitting yellow light. If it is accelerated towards earth, then to an observer on earth, it will appear _____.
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Indian Army Agniveer
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Achieve Indian Army Agniveer General Science Practice Book>Chapter 1 - Physics>Exercise 1>Q 31

Smoke emerging from a campfire at the bottom of a hill is being observed by a person at some distance, as shown in the figure. It is evening, and the sun has just set behind the hill. Consider regions I and II of the smoke going up the sky.

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Indian Army Agniveer
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Achieve Indian Army Agniveer General Science Practice Book>Chapter 1 - Physics>Exercise 1>Q 32

Consider the following statements:

1. Both primary and secondary rainbows are virtual images.
2. A red object appears dark in the yellow light.
3. The red color is scattered less.
4. Sodium lamps can be used in foggy conditions.

Which of the statements given above are correct?

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Indian Army Agniveer
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Achieve Indian Army Agniveer General Science Practice Book>Chapter 1 - Physics>Exercise 1>Q 33
When light passes from air into glass it experiences change in _____.
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Indian Army Agniveer
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Achieve Indian Army Agniveer General Science Practice Book>Chapter 1 - Physics>Exercise 1>Q 34
Why does the water tank appear shallower when viewed from the top?
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Indian Army Agniveer
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Achieve Indian Army Agniveer General Science Practice Book>Chapter 1 - Physics>Exercise 1>Q 35
Distant objects can be seen with the help of_____.
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Indian Army Agniveer
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Achieve Indian Army Agniveer General Science Practice Book>Chapter 1 - Physics>Exercise 1>Q 36
The resultant amplitude in interference with two coherent sources depends upon: