X-rays, gamma rays and microwaves travelling in vacuum have
X-rays, gamma rays and microwaves travelling in vacuum have
A. same wavelength but different velocities
B. same frequency but different velocities
C. same velocity but different wavelentghs
D. same velocity and same frequency
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Correct Answer - C
In vaccum X-rays, gamma rays and microwaves travel with same velocity, i.e., with the velocity of light `c (3 xx 10^(8)m s^(-1))` but have different wavelengths.
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