1.

Two waves A and B have wavelength 0.01 Å and 9000 Å respectively.(a) Name the two waves.(b) Compare the speeds of these waves when they travel in vacuum.

Answer»

(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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