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Question
Physics
Which of the following rays help us to detect the speed of tennis ball or cricket ball while in motion?
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Q. Which of the following rays help us to detect the speed of tennis ball or cricket ball while in motion?
Electromagnetic Waves
A
Radio wave
13%
B
Infra red
20%
C
Microwave
54%
D
None of these
13%
Solution:
Radar system operated on microwaves help us to detect the speed of tennis ball or cricket ball in motion