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प्रश्न
Out of the following, the colour of light having the maximum wavelength is:
(a) violet
(b) indigo
(c) green
(d) orange
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उत्तर
orange
Of the given colours of light, orange has the maximum wavelength.
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संबंधित प्रश्न
Study the following ray diagram:
In this diagram, the angle of incidence, the angle of emergence and the angle of deviation respectively have been represented by
(A) y, p, z
(B) x, q, z
(C) p, y, z
(D) p, z, y
What is a rainbow? What are the two conditions necessary for the formation of a rainbow in the sky?
Why do you not see a spectrum of colours when light passes through a flat pane of glass?
When a white light ray falls on a prism, the ray at its first surface suffers ______.
In the spectrum of white light by a prism, the colour at the extreme end opposite to the base of prism is ______.
Draw a labeled ray diagram to illustrate the dispersion of a narrow beam of white light when it passes through a glass prism.
A wave has wavelength 50Å of name the wave.
Differentiate between a glass slab and a glass prism.
How can the presence of ultraviolet radiation be detected?
Write the range of wavelength of the infrared spectrum.
Sunlight entering through a narrow aperture falls on a prism. Draw a neat labelled ray diagram to show the formation of the spectrum on a screen. Name the colour obtained nearer the base of the prism.
The splitting of white light in to seven colors is called ______.
When white light enters a glass prism from the air, the angle of deviation is least for ____________.
The phenomena of light involved in the formation of rainbow are ______.
What is a rainbow?
During dispersion of white light by prism placed in air, for a particular value of angle of prism,
State the colour which bends:
- The most.
- The least while passing through a glass prism.
When sunlight passes through water droplets in the atmosphere it gets dispersed into its constituent colours forming a rainbow. A similar phenomenon is observed when white light passes through a prism.
Instead of sunlight, a green-coloured ray is passed through a glass prism. What will be the colour of the emergent ray?
