Advertisements
Advertisements
प्रश्न
Arrange the following electromagnetic waves in order of increasing frequency:
ϒ-rays, microwaves, infrared rays and ultraviolet rays.
उत्तर
APPEARS IN
संबंधित प्रश्न
Speed of electromagnetic waves is the same
A laser beam has intensity 2.5 × 1014 W m−2. Find amplitudes of electric and magnetic fields in the beam.
Which of the following electromagnetic radiations is used for viewing objects through fog ______.
In an electromagnetic wave in free space the rms value of the electric field is 3 V m-1. The peak value of the magnetic field is ______.
Give two uses of Microwaves.
Discuss the source of electromagnetic waves.
A transmitter consists of LC circuit with an inductance of 1 μH and a capacitance of 1 μF. What is the wavelength of the electromagnetic waves it emits?
Which of these mechanisms can be used to produce electromagnetic waves?
For which frequency of light, the eye is most sensitive?
A linearly polarized electromagnetic wave given as E = Eoî cos (kz – ωt) is incident normally on a perfectly reflecting infinite wall at z = a. Assuming that the material of the wall is optically inactive, the reflected wave will be given as ______.