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Electromagnetic Spectrum

Two waves A a...

Question

Two waves A and B have wavelength 0.01 $\circ A$ and 9000 $\circ A$ respectively.

(a) Name the two waves.

(b) Compare the speeds of these waves when they travel in vacuum.

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Solution

(a) A- Gamma rays, B-infrared radiations
(b) Ratio of speeds of these waves in vacuum is 1:1 as all electromagnetic waves travel with the speed of light in vacuum.

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