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प्रश्न
The colour of white light which suffers the maximum bending (or maximum refraction) on passing through a glass prism is:
(a) yellow
(b) orange
(c) red
(d) violet
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उत्तर
violet
The colour violet of white light suffers the maximum refraction on passing through a glass prism as it has the shortest wavelength.
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संबंधित प्रश्न
Study the following diagrams in which the path of a ray of light passing through a glass prism as traced by four students P, Q, R and S is shown:
The student who has traced the path correctly is
(A) P
(B) Q
(C) R
(D) S
Why do the component colours of incident white light split into a spectrum while passing through a glass prism, explain
- A ray of white light breaks up into its components while passing through a glass prism. Draw a ray diagram to show the path of rays.
- Mark the least deviated colour in your diagram.
- Why do different coloured rays deviate differently in a prism?
What happens when a ray of ordinary light is passed through a triangular glass prism?
State the speed of light in (a) air, (b) water, and (c) glass
A glass prism is able to produce the spectrum when white light passes through it, but a glass slab doesn’t produce any spectrum. Explain why it is so.
If a monochromatic beam of light undergoes minimum deviation through an equiangular prism, how does the beam pass through the prism, with respect to its base?
If white light is used in same way what change is expected in the emergent beam?
Draw a labelled diagram: Dispersion of light through a prism.
Which characteristic property of light is responsible for the blue colour of the sky?
State two uses of ultraviolet radiation.
Write the range of wavelength of the infrared spectrum.
Which of the following is a natural phenomenon which is caused by the dispersion of sunlight in the sky?
The phenomena of light involved in the formation of rainbow are ______.
Why do we see a rainbow in the sky only after rainfall?
State the correct sequence (1-7) of colours in the spectrum formed by the prisms A and B, shown in the following figure.
The periscope is an optical device with a polished surface that reflects the light falling on it.
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°:
Observe the given diagram and answer the questions:
- Name the process shown in the figure.
- Name the colour that deviates the most.
- Name the colour that deviates the least.
- Name any one phenomenon in nature which is based on the above process.
- Define ‘spectrum’.
