The curve drawn b/w velocity and frequency of a photon in vacuum side will be
Straight line parallel to frequency axis
Straight line parallel to velocity axis
Hyperbola
Straight line making angle of 45o with frequency axis
As we learnt ,
Property of EM wave -
It travels in straight lines.
-
Velocity of light / photon in vacuum is cont. for all frequencies . It travels in straight line path.
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