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Physics
If vg, vx and vm are the speeds of gamma rays, X-rays and microwaves respectively in vacuum, then
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Q. If $v_g$, $v_x$ and $v_m$ are the speeds of gamma rays, $X$-rays and microwaves respectively in vacuum, then
Electromagnetic Waves
A
$v_g < v_X < v_m$
0%
B
$v_g > v_X > _vm$
33%
C
$v_g > v_X < v_m$
0%
D
$v_g = v_X = v_m$
67%
Solution:
The speed of all electromagnetic waves is same in vacuum.