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प्रश्न
A wave has a wavelength of 10-3 nm. Name the wave.
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उत्तर
Gamma rays have a wavelength of 10-3 nm.
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संबंधित प्रश्न
State an additional use of the X-rays waves
Give the range of wavelength of the electromagnetic waves visible to us.
For harder X-rays,
(a) the wavelength is higher
(b) the intensity is higher
(c) the frequency is higher
(d) the photon energy is higher.
Mark the correct options.
(a) An atom with a vacancy has smaller energy that a neutral atom.
(b) K X-ray is emitted when a hole makes a jump from the K shell to some other shell.
(c) The wavelength of K X-ray is smaller than the wavelength of L X-ray of the same material.
(d) The wavelength of Kα X-ray is smaller than the wavelength of Kβ X-ray of the same material.
Solve the numerical problem.
The speed of light is 3 × 108 m/s. Calculate the frequency of red light of a wavelength of 6.5 × 10−7 m.
An e.m. wave exerts pressure on the surface on which it is incident. Justify.
One requires 11eV of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in ______.
The ratio of contributions made by the electric field and magnetic field components to the intensity of an EM wave is ______.
Choose the correct option related to wavelengths (λ) of different parts of the electromagnetic spectrum.
Identify the part of the electromagnetic spectrum which:
- produces the heating effect.
- is absorbed by the ozone layer in the atmosphere.
- is used for studying crystal structure.
Write any one method of the production of each of the above radiations.
