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For harder X-rays,...

For harder X-rays,

A

the wavelength is higher

B

the intensity is higher

C

the frequency is heigher

D

the photon energy is higher

Text Solution

Verified by Experts

The correct Answer is:
C, D
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Knowledge Check

  • For first order X-ray diffraction, the wavelength in of the X-ray is equal to the lattice spacing at a glancing angle is

    A
    `15^(@)`
    B
    `60^(@)`
    C
    `45^(@)`
    D
    `30^(@)`

  • Which one of the following statement is correct the X-ray beam coming from an X-ray beam coming from an X-ray tube will be :

    A
    monochromatic
    B
    having all wavelength larger than a certain maximum wavelength.
    C
    having all wavelength larger than certain minimum wavelength
    D
    having all wavelength lying between a minimum and a maximum wavelength.

  • (I) Cathode rays produce heat, when allowed to fall on matter. (II) Cathode rays produce X-ray, when allowed to fall on material of high atomic weight. (III) Cathode rays are positively charged particles (IV) Cathode rays ionize the gas.

    A
    I, II and III only
    B
    I, II and IV only
    C
    I and II only
    D
    II, III and IV only

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    What physical quantity is same for X - rays and radio waves ?

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