A radar wave has a frequency of `7.2xx10^(9) Hz`. The reflected wave from an aeroplane shows a frequency difference of `2.4xx10^(3) Hz` on the higher side. Calculate the velocity of the aeroplane in the line of sight.

A radar wave has frquency of 8.1 xx 10^(9) Hz . The reflected wave from an aeroplane shows a frequency difference of 2.7 xx 10^(3) Hz on the higher side. Calculate velocity of aeroplane in the line of sight.

a radar wave has a frequency of 7.8 xx 10^(9) s^(-I) . The reflected wave from an aeroplane shows a frequency shows a frequency difference of 2.7 xx 10^(3) s^(-1) on the higher side. Deduce the velocity of the aeroplane in the line of sight.

Frequency of a wave is 6 xx 10^(15) Hz. The wave is

A light wave has a frequency of 4.8 xx 10^(14) Hz in a medium of R.I. 1.5 is

An astronaut is approacing the moon. He sends a radio wave of frequency 5 xx 10^(9) Hz towards the moon. The frequency of the radio echo received by him has a frequency 9 xx 10^(4) Hz more than that of real frequency. The relative velocity of the rocket with respect to the moon is

A wave has a frequency of 120Hz .Two points at a distance of 9m apart have a phase difference of 1080^(@) The velocity of the wave in m/sec

A wave has a frequency of 120Hz . Two points at a distance 9m apart have a phase difference of 1080^(@) . The velocity of the wave is

An electron oscillating with a frequency of 3xx10^6 Hz, would generate -