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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 ?

Text Solution

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Time taken for `360^@` shift =24h
Time taken for `1^@` shift =`24//360h=4 `min
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AAKASH SERIES-RAY OPTICS -EXERCISE III
  1. The earth takes 24 h to rotate once about its axis. How much time does...

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  2. Two plane mirrors are arranged at right angles to each other as shown ...

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  3. An object O is placed in front of a small plane mirror M1 and a large ...

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  4. An infinitely along rod lies along the axis of a concave mirror of foc...

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  5. A car is fitted with a convex side view mirror of focal length 20cm. ...

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  6. Two plane mirrors are inclined at angle theta is shown in figure. IF a...

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  7. An object is placed infront of a concave mirror of focal length f. A v...

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  8. A small plane mirror is rotating at a constant frequency of n rotation...

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  9. At what distance from a convex mirror of focal length 2.5m should a bo...

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  10. The difference in the number of wavelengths, when yellow light propaga...

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  11. Let the xy plane be the boundary between two transparent media. Medium...

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  12. A ray of light is incident on a rectangular plate at an angle of incid...

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  13. A glass cube of edge 1cm and mu=1.5 has a spot at the centre. The area...

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  14. A ray of light travels in the way as shown in the figure. After passin...

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  15. A transparent cube of 15cm edge contains a small air bubble. Its appar...

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  16. The image of point P when viewed from top of the slabs will be

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  17. A plane mirror is placed at the bottom of a tank containing a liquid o...

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  18. A fish rising vertically to the surface of water in a lake uniformly a...

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  19. An air bubble in a glass slab with refractive index 1.5(near normal in...

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  20. The apparent depth of water in cylindrical water tank of diameter 2Rcm...

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  21. A light ray from air is incident (as shown in figure) at one end of a ...

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