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The frequency of gamma-rays, X-rays and ...

The frequency of `gamma-rays`, X-rays and ultraviolet rays are a,b,c and c respectivley.

A

`agtb,bgtc`

B

`altb,bgtc`

C

`agtb,bltc`

D

`altb,bltc`

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The correct Answer is:
B
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AAKASH SERIES-ELECTROMAGNETIC WAVES-EXERCISE -IA
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  3. The frequency of gamma-rays, X-rays and ultraviolet rays are a,b,c and...

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  7. Ozone layer protestes the living cells from

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  8. Ozone layer blocks the radiations of wave length: (1.) less than 3 × ...

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  9. Practically ozone layer absorbs the radiation of wavelength

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  10. A radiation of energy E falls normally on a perfectly reflecting surfa...

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  11. The type of electromagnetic wave propagation which is effected as a re...

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  12. X-rays are known as to be electromagnetic radi­ation. Therefore the X-...

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  13. The altitude of the ozone layer in the atmosphere and the ‘type’ of th...

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  14. Four atmospheric layers are given below, namely (i) stratosphere (ii) ...

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  15. Infrared radiations are detected by

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  16. Finger prints on a piece of paper may be detected by sprinkling fluore...

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  17. The atmosphere above the height of 80 km is called

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  18. The frequency from 3Hz to 30MHz is known as

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  19. The frequency from 3xx10^(9) Hz to 3xx10^(10) Hz is

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  20. A cube of edge a has its edges parallel to X, Y and Z -axis of rectang...

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