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प्रश्न
Give one use of electromagnetic radiation in Ultraviolet radiation.
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उत्तर
Ultraviolet radiation is used for sterilizing purposes.
संबंधित प्रश्न
If the earth did not have an atmosphere, would its average surface temperature be higher or lower than what it is now?
What do you understand by the invisible spectrum?
State the approximate range of wavelength associated with visible light.
What are ultraviolet radiations?
Cutoff wavelength of X-rays coming from a Coolidge tube depends on the
(a) target material
(b) accelerating voltage
(c) separation between the target and the filament
(d) temperature of the filament.
Name the scientist who discovered
X-rays
Answer briefly.
Name the most harmful radiation entering the Earth's atmosphere from outer space.
The fundamental frequency of an open organ pipe is 300 Hz. The first overtone of this pipe has same frequency as first overtone of a closed organ pipe. If speed of sound is 330 m/s, then the length of closed organ pipe is:
Radio waves of constant amplitude can be generated with.
Electromagnetic waves with wavelength
- λ1 is suitable for radar systems used in aircraft navigation.
- λ2 is used to kill germs in water purifiers.
- λ3 is used to improve visibility in runways during fog and mist conditions.
Identify and name the part of the electromagnetic spectrum to which these radiations belong. Also arrange these wavelengths in ascending order of their magnitude.
