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प्रश्न
Name the radiations used for the detection of fracture in bones.
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उत्तर
X-rays.
संबंधित प्रश्न
State the approximate range of wavelength associated with visible light.
In a Coolidge tube, electrons strike the target and stop inside it. Does the target get more and more negatively charged as time passes?
The energy of a photon of a characteristic X-ray from a Coolidge tube comes from
50% of the X-ray coming from a Coolidge tube is able to pass through a 0.1 mm thick aluminium foil. The potential difference between the target and the filament is increased. The thickness of the aluminium foil that will allow 50% of the X-ray to pass through will be
The Kα and Kβ X-rays of molybdenum have wavelengths 0.71 A and 0.63 A respectively. Find the wavelength of Lα X-ray of molybdenum.
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Answer briefly.
Why are microwaves used in radar?
SONAR emits which of the following waves?
If λv, λx and λm Am represents the wavelength of visible light, x-ray and microwaves respectively, then ______.
Write two uses of the following radiation.
X-rays
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.
