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प्रश्न
A wave has wavelength 50Å of State the speed in vacuum.
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उत्तर
The speed of the wave will be 3 × 108 m/s in vacuum.
संबंधित प्रश्न
In the following diagram the correctly marked angles are :
(a) ∠A and ∠e
(b) ∠i, ∠A and ∠D
(c) ∠A ∠r and ∠e
(b) ∠A ∠r and ∠D
In the formation of spectrum of white light by a prism:
which colour is deviated least?
What is spectrum? What is the name of glass shape used to produce a spectrum?
The seven colours in the spectrum of sunlight in order, are represented as :
The wavelengths of violet and red light are 4000 Å and 8000 Å respectively. Which of the two has the higher frequency?
Distinguish between an impure spectrum and a pure spectrum.
The splitting of white light in to seven colors is called ______.
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
State the colour which bends:
- The most.
- The least while passing through a glass prism.
