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प्रश्न
Name any two electromagnetic waves which have a frequency higher than that of violet light. State one use of each.
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उत्तर
The two electromagnetic waves and their uses having a frequency higher than that of violet light is:
X-rays: X-rays are very extensively used for medical purposes, e.g., in surgery to detect bone fractures by studying X-rays photographs.
Gamma rays: Gamma radiations are used in the cure of cancer.
संबंधित प्रश्न
What is the range of the wavelength of the following electromagnetic waves?
(a) Gamma rays.
Can a hydrogen atom emit characteristic X-rays?
An X-ray beam can be deflected
Name the radiation of the electromagnetic spectrum which is used for the following:
For taking photographs of the sky during the night and foggy conditions . Give the frequency range
Answer briefly.
Can we produce a pure electric or magnetic wave in space? Why?
Answer briefly.
Why high-frequency carrier waves are used for the transmission of audio signals?
A radio can tune to any station in the 7.5 mHz to 12 MHz band. What is corresponding wave length band.
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.
Arrange the following electromagnetic radiation in the ascending order of their frequencies:
X-rays, microwaves, gamma rays, radio waves
What is the wavelength range of electromagnetic radiation used in radio broadcast?
