Home
Class 12
PHYSICS
A radar sends a radio signal of frequenc...

A radar sends a radio signal of frequency `9 xx 10^3Hz` towards an aircraft approaching the radar. If the reflected wave shows a frequency shift of `3 xx 10^3Hz` the speed with which the aircraft is approaching the radar in ms-1 (velocity of the rador signal is `3 xx 10^8 ms^(-1)` )

A

150

B

100

C

50

D

25

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WAVE MOTION

    AAKASH SERIES|Exercise PRACTICE SET (EXERCISE-VI (LEVEL-II(ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS))|4 Videos
  • WAVE MOTION

    AAKASH SERIES|Exercise PRACTICE SET (EXERCISE-VI (LEVEL-II(ADVANCED) MORE THAN ONE CORRECT ANSWERT TYPE QUESTIONS))|3 Videos
  • WAVE MOTION

    AAKASH SERIES|Exercise PRACTICE SET (EXERCISE-V (LEVEL-II(ADVANCED) INTEGER TYPE QUESTIONS))|3 Videos
  • UNITS AND MEASUREMENTS

    AAKASH SERIES|Exercise EXERCISE -3|66 Videos
  • WAVE MOTION AND SOUND

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|81 Videos

Similar Questions

Explore conceptually related problems

A wave has a frequency of 3 xx 10^(15) sec^(-1) . The energy of that photon is

What is the mass of a particle with a wavelength of 3.313 Å moving with a speed of 2.0 xx 10^(8) ms^(-1) ?

The mass defect in a particular nuclear reaction is 0.3 g. The amount of energy liberated, in kWh is (velocity of light = 3 xx 10^(8) ms^(-1) .

Calculate the energy of one mole of photons of radiations whose frequency is 3 xx 10^(12) Hz