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(a) Name the high energetic invisible el...

(a) Name the high energetic invisible electro magnetic wave which helps in the study of the structure of crystals.
(b) State one more use of the wave named in part (a).

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The correct Answer is:
(a) X-rays, (b) to detect fracture in bones
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ICSE-SPECTRUM-EXERCISE B
  1. A wave has a wavelength 10-3 nm. (a) Name the wave. (b) State its one ...

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

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

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

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

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

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

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  8. What do you understand by the invisible spectrum ?

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

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

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

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

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  13. Give one use each of (a) microwaves, (b) ultraviolet radiations, (c) i...

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  14. Name the waves (a) of lowest wavelength, (b) used for taking photograp...

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  15. Two waves A and B have wavelength 0-01 Å and 9000 Å respectively. (a...

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  16. Name two sources, each of infrared radiations and ultraviolet radiatio...

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  17. What are infrared radiations ? How are they detected ? State one use o...

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  18. What are ultraviolet radiations ? How are they detected ? State one us...

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  19. Name three properties of ultraviolet radiations which are similar to v...

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  20. Give two properties of ultraviolet radiations which differ from visibl...

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