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प्रश्न
A type of electromagnetic wave has a wavelength of 50 Å. Name the wave and state one use of this type of wave.
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उत्तर
X-rays. These are used for determining fracture of bones, hidden objects in customs at Airports.
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संबंधित प्रश्न
Name the characteristic of sound in relation to its waveform
What is the condition necessary for an echo to be heard distinctly?
Name the waves which are used in sonar to find the depth of a sea. Give one reason for their use.
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
How are bats able to fly in the dark?
Name the type of waves that are used for sound ranging. Why are radio waves not audible to us?
Explain Reflection at curved surfaces.
The direction of the incident sound, the direction of reflected sound, and the normal are in different Planes.
