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Visible radiation has a wavelength rangi...

Visible radiation has a wavelength ranging between………..to……….. .

A

0.3mm, 20 cm

B

400mm,800 nm

C

1 m,10 m

D

50 nm, 300nm

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CHETANA PUBLICATION-OBSERVING SPACE- TELESCOPES-EXERCISE
  1. To collect the maximum amount of light coming from an object, the obje...

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  2. The images formed by lenses have errors of colours. This is called ………...

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  3. Radio telescope is made up of one or more dishes of …………shape.

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  4. Diagram based question: Which type of telescopes can be made using a ...

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  5. Visible radiation has a wavelength ranging between………..to……….. .

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  6. The images formed by lenses have errors of colours. This is called ………...

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  7. Radio telescope is made up of one or more dishes of …………shape.

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  8. To collect the maximum amount of light coming from an object, the obje...

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  9. Answer the following question: Why can an X-ray telescope not be base...

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  10. State whether the following are True or False : Concave mirrors are us...

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  11. Give Scientific Reason : We cannot use the optical telescope during t...

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  12. How do refracting telescopes work?

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  13. How does a radio telescope work?

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  14. State some of the satellites and their uses.

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  15. Answer the following question: Explain the construction of a radio te...

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  16. Answer the following question: What are the difficulties in using gro...

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  17. Explain any two space observation telescope.

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  18. What is the speciality of the artificial satellite Astrosat?

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  19. Write short note: GMRT

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  20. Answer the following question: Why are optical telescope located in u...

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