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संबंधित प्रश्न
Identify the part of the electromagnetic spectrum which is:
produced by bombarding a metal target by high speed electrons.
What are ultraviolet radiations?
The wavelength of X-rays is 0.01 Å. Calculate its frequency. State the assumption made, if any.
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
Find the maximum potential difference which may be applied across an X-ray tube with tungsten target without emitting any characteristic K or L X-ray. The energy levels of the tungsten atom with an electron knocked out are as follows.
| Cell containing vacancy | K | L | M |
| Energy in keV | 69.5 | 11.3 | 2.3 |
Name the scientist who discovered radio waves
Name the part of the electromagnetic spectrum which is:
Produced by bombarding a metal target with high electrons.
Calculate the shortest wavelength of electromagnetic radiation present in Balmer series of hydrogen spectrum.
Calculate the wavelength of a microwave of a frequency of 8.0 GHz.
For television broadcasting, the frequency employed is normally
