Daily English Quiz 973

Test # 973 [29-Feb-2020]


1.
Why don't you ________ down and enjoy the scenery?

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Precautions while using X Rays

Rayleigh scattering

Rayleigh scattering is the dominant elastic scattering mechanism in the X ray regime.The inelastic forward scattering is what gives rise to the refractive index, which for X rays is only. X rays can be very penetrating. The voltage of the system indicates how penetrating the x rays will be. The higher the voltage of the generator, the more penetrating the radiation. Just like gamma rays, x rays interact with molecules in the body to produce ion pairs.

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