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प्रश्न
Give one use of electromagnetic radiation in Microwaves.
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उत्तर
Microwaves are used for communication.
संबंधित प्रश्न
Identify the part of the electromagnetic spectrum which is:
produced by bombarding a metal target by high speed electrons.
To which part of electromagnetic spectrum does a wave of frequency 3 × 1013 Hz belong?
State the approximate range of wavelength associated with visible light.
The wavelength of X-rays is 0.01 Å. Calculate its frequency. State the assumption made, if any.
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.
A car is moving towards a high cliff. The car driver sounds a horn of frequency f. The reflected sound heard by the driver has a frequency 2f. If v be the velocity of sound, then the velocity of the car, in the same velocity units, will be:
A radio can tune to any station in the 7.5 mHz to 12 MHz band. What is corresponding wave length band.
Radio waves of constant amplitude can be generated with.
Electromagnetic waves with wavelength
- λ1 is used in satellite communication.
- λ2 is used to kill germs in water purifies.
- λ3 is used to detect leakage of oil in underground pipelines.
- λ4 is used to improve visibility in runways during fog and mist conditions.
- Identify and name the part of electromagnetic spectrum to which these radiations belong.
- Arrange these wavelengths in ascending order of their magnitude.
- Write one more application of each.
Identify the electromagnetic radiation and write its wavelength range, which is used to kill germs in water purified. Name the two sources of these radiations.
