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Question 69

A weather radar sends a pulse through the air at 3.0 × 108 m/s. The pulse is reflected by a rain cloud 30 km from the radar and returns to the radar.

What is the time between the pulse being transmitted and its return to the radar?

[1]
A

100 μs100\ \mu\mathrm{s}100 μs

B

200 μs200\ \mu\mathrm{s}200 μs

C

50 μs50\ \mu\mathrm{s}50 μs

D

0.20 μs0.20\ \mu\mathrm{s}0.20 μs

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4 Waves Questions

  1. GCSE
  2. /Physics
  3. /4 Waves

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