Frequency of a transmitter is 1368khz. What is its wavelength
Answers
Information shadow: Programmes of a particular radiostation are broadcasted on a particular frequency. In the problem, the frequency on which programmes of All India Radio, Delhi is broadcasted, is given. Frequency, v=1.368kHz =1368Hz (i) (1 kHz = 1000 Hz: conversion factor used) All electromagnetic radiations propagate with constant speed through a medium, i.e., velocity of light. Velocity, c=3×108m/sec (ii) Problem solving strategy: In the given problem, wavelength of the radiation is required. It can be calculated using the following relation: λ=cv......(iii) Working it out: Substituting the values of c and v in equation (iii) we get λ=3×1081368=2.192×105m. The radiation of wavelength 2.192×105m lies in the radiowave region of the electromagnetic spectrum.
Explanation:
Wavelength is 219.5m of a electromagnetic radiation.