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The liit of resuolution of one meter ra...

The liit of resuolution of one meter radio telescope for radio waves of wavelength 10 cm is about

A

`12.2 rad`

B

few seconds of arc.

C

`18^@`

D

one minute of arc.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. Two points separated by a distance of 0.1 mm can just be inspected in ...

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  2. the limit of resolution of a 100 cm aperture telescope for light for w...

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  3. The liit of resuolution of one meter radio telescope for radio waves ...

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  4. The aperture of the largest telescope in teh world is of the order of ...

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  5. Which of the following phenomenon shows the transverse nature of light...

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  6. The waves that cannot be polarised are:

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  7. When a polariod is rotated,the intenstiy of ligth is not found to vary...

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  8. What are plane of polarisation and plane of vibration?

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  9. In the propagation of ligth waves,the ngle between the direction of pr...

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  10. When the light is incident at the polarising angle ,which of the follo...

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  11. A ray of light is incident on a medium at polarising angle .What is th...

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  12. What is the polarising anle of a medium of refractive index sqrt3?

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  13. The expression relating polarising angle nad refrractive indes is

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  14. If the speed of light and the polarising angle for a given medium are ...

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  15. Suppose P is polarising angle for a transparent medium an the speed of...

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  16. A ray of light is incident on a medium at polarising angle .What is th...

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  17. Which of the following materials may be used to produce polaroids?

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  18. The property of rotating the plane of polarisation is known as

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  19. When a polaroid is rotated,the intesntiy of light varies and correspon...

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  20. When a polaroid is rotated,the intensity of light varies but never red...

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