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The earth takes 24 h to rotate once abou...

The earth takes 24 h to rotate once about its axis. How much time does the sun take to shift by 1° when viewed from the earth?

A

2 min

B

4 min

C

6 min

D

1 min

Text Solution

Verified by Experts

The correct Answer is:
B
4 min
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KUMAR PRAKASHAN-RAY OPTICS AND OPTICAL INSTRUMENTS-SECTION-D (MULTIPLE CHOICE QUESTIONS (MCQs))(MCQs FROM .DARPAN. BASED ON TEXTBOOK)(MCQs BASED ON TEXTUAL ILLUSTRATION AND EXERCISE)
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  3. A magician during a show makes a glass lens with n=1.47 disappear in t...

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  4. (i) If f = 0.5 m for a glass lens, what is the power of the lens? (ii)...

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  5. (i) If f = 0.5 m for a glass lens, what is the power of the lens? (ii)...

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  6. A convex lens has 20 cm focal length in air. What is focal length in w...

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  7. A small candle, 2.5 cm in size is placed at 27 cm in front of a concav...

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  8. A 4.5 cm needle is placed 12 cm away from a convex mirror of focal len...

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  9. A tank is filled with water to a height of 12.5 cm. The apparent depth...

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  10. A small bulb is placed at the bottom of a tank containing water to a d...

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  11. Double-convex lenses are to be manufactured from a glass of refractive...

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  12. What is the focal length of a convex lens of focal length 30cm in cont...

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  13. A small telescope has an objective lens of focal length 144cm and an e...

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  14. (a) A giant refracting telescope at an observatory has an objective le...

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  15. (a) A giant refracting telescope at an observatory has an objective le...

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  16. A small pin fixed on a table top is viewed from above from a distance ...

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  17. The image of a small electric bulb fixed on the wall of a room is to b...

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  18. A screen is placed 90cm from an object. The image of the object on the...

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  19. At what angle should a ray of light be incident on the face of a prism...

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  20. A small telescope has an objective lens of focal length 140cm and an e...

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