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प्रश्न
Name the parts of the electromagnetic spectrum which is
used to treat muscular strain.
Write in brief, how these waves can be produced.
उत्तर
Infrared waves are used to treat muscular strain.
These rays are produced by hot bodies and molecules.
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संबंधित प्रश्न
Name the electromagnetic radiations used for (a) water purification, and (b) eye surgery.
An electromagnetic wave has a frequency of 500 MHz and a wavelength of 60 cm.name the medium through which it is travelling
Is it possible that in a Coolidge tube characteristic Lα X-rays are emitted but not Kα X-rays?
Frequencies of Kα X-rays of different materials are measured. Which one of the graphs in the figure may represent the relation between the frequency v and the atomic number Z ?
The Kβ X-rays from certain elements are given below. Draw a Moseley-type plot of √v versus Z for Kβ radiation.
| Element | Ne | P | Ca | Mn | Zn | Br |
| Energy (keV) | 0.858 | 2.14 | 4.02 | 6.51 | 9.57 | 13.3 |
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