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प्रश्न
Name the parts of the electromagnetic spectrum which is
used as a diagnostic tool in medicine.
Write in brief, how these waves can be produced.
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उत्तर
X rays are used as a diagnostic tool in medicine.
These rays are produced when high energy electrons are stopped suddenly on a metal of high atomic number.
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संबंधित प्रश्न
What role dose infra-red radiation play in maintain the Earth’s warmth
Use the formula λm T= 0.29 cm K to obtain the characteristic temperature ranges for different parts of the electromagnetic spectrum. What do the numbers that you obtain tell you?
Name the radiations of wavelength just longer than 8 × 10-7m.
Name the radiation of the electromagnetic spectrum which is used for the following:
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Name two sources of infrared radiation.
Choose the correct option.
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Electromagnetic waves with wavelength
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- λ3 is used to detect leakage of oil in underground pipelines.
- λ4 is used to improve visibility in runways during fog and mist conditions.
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- Arrange these wavelengths in ascending order of their magnitude.
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What is the speed of radio waves in vacuum?
