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Name the material of prism required for ...

Name the material of prism required for obtaining the spectrum of (a) ultraviolet light, (b) infrared radiations.

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The correct Answer is:
(a) quartz (b) rock salt
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ICSE-SPECTRUM-EXERCISE B
  1. Mention three properties of infrared radiations similar to visible lig...

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  2. Give two properties of infrared radiations which differ from visible l...

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  3. Name the material of prism required for obtaining the spectrum of (a) ...

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  4. Name the radiations which are absorbed by the green house gases in the...

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  5. State one harmful effect each of the (a) ultraviolet and (b) infrared ...

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  6. Give reason for the following: (i) Infrared radiations are used for ...

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  7. (a) Give a list of at least five radiations, in the order of their inc...

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  8. (a) Arrange the following radiations in the order of their increasing ...

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  9. A wave has a wavelength 10-3 nm. (a) Name the wave. (b) State its one ...

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  10. A wave has wavelength 50 A. (a) Name the wave. (b) State its speed in ...

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  11. (a) Name the high energetic invisible electro magnetic wave which help...

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  12. State the name and the range of wavelength of the invisible electromag...

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  13. Name three radiations and their wavelength range which are invisible a...

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  14. Give the range of wavelength of the electromagnetic waves visible to u...

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  15. Name the region just beyond (i) the red end, and (ii) the violet end, ...

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  16. What do you understand by the invisible spectrum ?

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  17. Name the radiation which can be detected by (a) a thermopile (b) a sol...

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  18. State the approximate range of wavelength associated with (a) ultravio...

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  19. Name the radiations of wavelength just (a) longer than 8 xx 10^(-7) m....

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  20. Name two electromagnetic waves of wavelength smaller than that of viol...

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