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In radio theraphy, X-rays are used to...

In radio theraphy, X-rays are used to

A

Detect bone fractures

B

Treat cancer by controlled exposure

C

Detect heart diseases

D

Detect fault in radio receiving circuits

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • X-rays can be used

    A
    for cutting and welding of metals.
    B
    to detect heart diseases.
    C
    to detect defects in precious stones and diamonds.
    D
    to detect gold under the earth.

  • For the structural analysis of crystals, X-rays are used because

    A
    X-rays are have wavelength of the order of interatomic spacing
    B
    X-rays are highly penetrating radiations
    C
    Wavelength of X-rays is of the order of nuclear size
    D
    X-rays are coherent radiation

  • Arrange IR rays, Radio waves, X-rays in the ascending order of wavelength:

    A
    IR rays, Radio waves, X-rays
    B
    Radio waves, IR rays, X-rays
    C
    X-rays, Radio waves IR rays
    D
    X-rays IR rays, Radio waves