Questions in Electromagnetic Waves

Select	Question
	Biological importance of Ozone layer is
	What is ozone hole
	Which rays are not the portion of electromagnetic spectrum
	Radio wave diffract around building although light waves do not. The reason is that radio waves
	The frequencies of X-rays, $\gamma$-rays and ultraviolet rays are respectively a, b and c. Then
	Radio waves and visible light in vacuum have
	Energy stored in electromagnetic oscillations is in the form of
	Heat radiations propagate with the speed of
	If a source is transmitting electromagnetic wave of frequency $8.2 \times {10^6}$Hz, then wavelength of the electromagnetic waves transmitted from the source will be
	In an apparatus, the electric field was found to oscillate with an amplitude of 18 V/m. The magnitude of the oscillating magnetic field will be