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प्रश्न
Name the waves of wavelength nearly 0.1 nm.
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उत्तर
X-rays have a wavelength of nearly 0.1 nm.
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संबंधित प्रश्न
Identify the part of the electromagnetic spectrum which is suitable for radar system used in aircraft navigation.
The wavelength of X-rays is 0.01 Å. Calculate its frequency. State the assumption made, if any.
An X-ray beam can be deflected
The X-ray beam emerging from an X-ray tube
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 |
The short-wavelength limit shifts by 26 pm when the operating voltage in an X-ray tube is increased to 1.5 times the original value. What was the original value of the operating voltage?
(Use Planck constant h = 6.63 × 10-34 Js= 4.14 × 10-15 eVs, speed of light c = 3 × 108 m/s.)
Name the scientist who discovered Infra-red waves
Name the radiations used for the detection of fracture in bones.
Answer briefly.
What are radio waves?
Name the e.m. waves which are suitable for radar systems used in aircraft navigation. Write the range of frequency of these waves.
