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How do refracting telescopes work?...

How do refracting telescopes work?

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Answer the following questions : With a neat labelled diagram , explain the working of a refracting telescope .

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CHETANA PUBLICATION-OBSERVING SPACE- TELESCOPES-EXERCISE
  1. How do refracting telescopes work?

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  2. The first telescope was invented by…………… .

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  3. Ligh is an……….wave.

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  4. Visible radiation telescopes are also called as……….. .

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  5. Reflecting telescopes are mainly of two types : ……….and……… .

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  6. Giant Meterwave Radio Telescope (GMRT) has been erected at ………near Pun...

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  7. Visible light coming from heavenly bodies have to pass through the ………...

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

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

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

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

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

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

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

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

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

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

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

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  19. How do refracting telescopes work?

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  20. How does a radio telescope work?

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  21. State some of the satellites and their uses.

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