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Lateral Displacement

Why is the ra...

Question

Why is the ratio of the velocities of light of wavelengths $4000 o A$ and $8000 o A$ in vacuum $1 : 1$ ?

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Solution

Since light is an electromagnetic wave and it is the property of all the electromagnetic waves that they travel with same speed equal to $3 \times 10^{8} m / s$ in vacuum. Hence ratio of velocities of light of wavelength $4000 A^{o}$ and $8000 A^{o}$ in vacuum is $1 : 1$ .

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Lateral Displacement

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