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प्रश्न
Name the scientist who discovered Visible light
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उत्तर
Newton
APPEARS IN
संबंधित प्रश्न
Identify the part of the electromagnetic spectrum which is:
produced by bombarding a metal target by high speed electrons.
What is the range of the wavelength of the following electromagnetic waves?
(a) Infrared.
What do you understand by the invisible spectrum?
Name of physical quantity which remains same for microwaves of wavelength 1 mm and UV radiations of 1600 Å in vacuum.
For a given material, the energy and wavelength of characteristic X-rays satisfy
(a) E(Kα) > E(Kβ) > E(Kγ)
(b) E(Mα) > E(Lα) > E(Kα)
(c) λ(Kα) > λ(Kβ) > λ(Kγ)
(d) λ(Mα) > λ(Lα) > λ(Kα).
Name the radiation which can be detected by thermopile.
The ozone layer absorbs
Write two uses of the following radiation.
Gamma rays
Name one radiation having the wavelength longer than the wavelength of these radiations.
