Advertisements
Advertisements
प्रश्न
Name the subjective property of light related to its wavelength.
Advertisements
उत्तर
(i) For blue light, approximate wavelength=4800 Å
(ii) For red light, approximate wavelength=8000 Å
संबंधित प्रश्न
To which part of electromagnetic spectrum does a wave of frequency 3 × 1013 Hz belong?
Name the waves produced by the changes in the nucleus of an atom.
When a Coolidge tube is operated for some time it becomes hot. Where does the heat come from?
Name the radiations used for the detection of fracture in bones.
An e.m. wave exerts pressure on the surface on which it is incident. Justify.
X-rays, gamma rays and microwaves travelling in a vacuum have ______.
Microwaves are electromagnetic waves with frequency in the range of.
The ozone layer absorbs
Electromagnetic waves of wavelengths λ1, λ2 and λ3 are used in a radar system, in water purifiers and in remote switches of TV, respectively.
- Identify the electromagnetic waves.
- Write one source for each of them.
