Popular Questions
- Which of the following is absorbed by the ozone layer?
- An electromagnetic radiation has an energy of 13.2 keV. Then, the radiation belongs to the region of
- The frequency 1057 MHz of radiation arising from two close energy levels in hydrogen belongs to
- All components of the electromagnetic spectrum in vacuum have the same
- The displacement current was first postulated by
- A plane electromagnetic wave is incident on a material surface. If the wave delivers momentum p and energy E, then
- An expression for the magnetic field strength B at the point between the capacitor plates indicates in Fig. Express B in terms of ..
- Maxwell’s modified form of Ampere’s circuital law is
- The Maxwells four equations are writting as
- The equation out of four Maxwells equations which show electric field lines donot form closed loops are
- In an electromagnetic wave the direction of the magnetic induction B is
- The wavelength of x-rays is of the order of
- The amplitude of the magnetic field part of a harmonic electromagnetic wave in vacuum is B0 = 510 nT. What is the amplitude of the..
- A charged particle oscillates about its mean equilibrium position with a frequency of 10^9 Hz. Frequency of the electromagnetic wa..
- Electromagnetic waves are transverse in nature as is evident by
- what of the following are not electromagnets waves?
- the dimensions of 1 where symbols have their usual meanings, are
- which of the following radiations has the least wavelength?
- Consider telecommunication through optical fibres. which of the following
- an electromagnetic wave of frequency v=3 Mhz passes
- the rms value of the electric field of the light coming from sun
- this question has statement 1, and statement 2. of the four choice, given the statement
- an electromagnetic wave in vacuum has the electric and magnetic field
- A radar has a power of kW and is operating at a frequency
- the magnetic field in a traveling electromagnets wave had a peak
- during the propagation of electromagnets waves in a medium:
- a real LED emits light at 0.1 watt uniformly around it. the amplitude
