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प्रश्न
The wavelength range of white light is ______.
पर्याय
4000 nm to 8000 nm
40 nm to 80 nm
400 nm to 800 nm
4 nm to 8 nm
10 to 400 nm
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उत्तर
The wavelength range of white light is 400 nm to 800 nm.
संबंधित प्रश्न
What acts as tiny prisms in the formation of a rainbow?
Which of the following colour of white light is least deviated by the prism?
(a) green
(b) violet
(c) indigo
(d) yellow
State the speed of light in (a) air, (b) water, and (c) glass
Out of air and glass, which is optically rarer? Give reason.
The frequency range of visible light is from 3.75 × 1014 Hz to 7.5 × 1014 Hz. Calculate its wavelength range. Take speed of light = 3 × 108 m/s.
In an experiment to trace the path of a ray of light through a glass prism for different values of angle of incidence a student would find that the emergent ray:
(A) is parallel to the incident ray
(B) perpendicular to the incident ray
(C) is parallel to the refracted ray
(D) bends at an angle to the direction of incident ray
The sunlight can be split into its constituent colors using ______.
Name the scientist who was the first to use a glass prism to obtain the spectrum of sunlight.
The dispersive powers of flint glass and crown glass are 0.053 and 0.034, respectively and their mean refractive indices are 1.68 and 1.53 for white light. Calculate the angle of the flint glass prism required to form an achromatic combination with a crown glass prism of refracting angle 4°:
State the colour which bends:
- The most.
- The least while passing through a glass prism.
