Advertisements
Advertisements
प्रश्न
Write the range of the wavelength of the following electromagnetic radiations:
(a) Infrared rays
(b) Ultraviolet rays
(c) γ -rays
Write one use of each of the above.
Advertisements
उत्तर
(a) Range of wavelength of Infrared range. 25μm - 2.5μm
(b) Range of Ultraviolet rays 400 nm - 1nm
(c) Range of γ -rays : <10-12 m
APPEARS IN
संबंधित प्रश्न
Give the range of wavelength of the electromagnetic waves visible to us.
Name the waves used for taking photographs in dark.
X-ray incident on a material
(a) exerts a force on it
(b) transfers energy to it
(c) transfers momentum to it
(d) transfers impulse to it.
State the name and the range of wavelength of the invisible electromagnetic waves beyond the red end of the visible spectrum.
Arrange the following electromagnetic waves in increasing order of their frequencies (i.e. begin with the lowest frequency):
Visible light, y rays, X rays, microwaves, radio waves, infrared radiations, and ultraviolet radiation.
Choose the correct option.
The EM wave emitted by the Sun and responsible for heating the Earth’s atmosphere due to greenhouse effect is
An electron beam is accelerated by a potential difference V to hit a metallic target to produce X-rays. It produces continuous as well as characteristic X-rays. If λmin is the smallest possible wavelength of X-ray in the spectrum, the variation of log λmin with log V is correctly represented in:
Ozone layer above the earth's atmosphere will
Identify the electromagnetic wave whose wavelength range is from about 10-3 m to about 10-1 m. Write one use of this.
