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प्रश्न
Identify the part of the electromagnetic spectrum which:
- produces the heating effect.
- is absorbed by the ozone layer in the atmosphere.
- is used for studying crystal structure.
Write any one method of the production of each of the above radiations.
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उत्तर
- Infrared
- Ultraviolet
- X rays
Method of production:
- Infrared: By Nernst lamp.
- Ultraviolet: By arc of mercury.
- Xray: By Coolidge tube.
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संबंधित प्रश्न
How are infrared waves produced?
To which part of the electromagnetic spectrum does a wave of frequency 5 × 1019 Hz belong?
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What is the range of the wavelength of the following electromagnetic waves?
(A) Radio waves.
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If the potential difference applied to the tube is doubled and the separation between the filament and the target is also doubled, the cutoff wavelength
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.
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Choose the correct option.
The EM wave emitted by the Sun and responsible for heating the Earth’s atmosphere due to greenhouse effect is
