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Two Waves a and B Have Wavelength 0.01 å and 9000 å Respectively. Name the Two Waves. Compare the Speeds of These Waves When They Travel in Vacuum. - Physics

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Question

Two waves A and B have wavelength 0.01 Å and 9000 Å respectively.

Name the two waves. compare the speeds of these waves when they travel in vacuum.

One Line Answer
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Solution

Waves A are Gamma radiations.
Waves B are infrared radiations.
In vacuum, both travel with the same speed. Hence, the ratio of their speeds is 1:1.

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Chapter 2: Light - Exercise 7 [Page 118]

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Frank Physics - Part 2 [English] Class 10 ICSE
Chapter 2 Light
Exercise 7 | Q 3 | Page 118

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