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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
The path of a ray of light passing through a glass prism is shown below:
In this diagram, the angle of prism, angle of incidence, angle of emergence and angle of deviation, respectively, have been represented by:
(A) O, Y, Z and N,
(B) P, Y, M and Z,
(C) O, X, M and Z,
(D) P, X, Z and N.
Draw a diagram to show how white light can be dispersed into a spectrum by using a glass prism. Mark the various colours of the spectrum.
Draw a diagram to show the refraction of light through a glass prism. On this diagram, mark
(i) incident ray
(ii) emergent ray, and
(iii) angle of deviation.
Which of the following colour of white light has the least wavelength?
(a) red
(b) orange
(c) violet
(d) blue
State the speed of light in (a) air, (b) water, and (c) glass
Explain briefly, with the help of a neat labelled diagram, how white light gets dispersed by a prism. On which surface of a prism, there is both dispersion and deviation of light, and on which surface of the prism, there is only deviation of light ?
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 ______.
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.
Complete the ray diagram given below to show the nature of light produced on the screen.
The completed ray diagram is as shown below:
What do you understand by spectrum? Name the seven prominent colours in order, as obtained in the spectrum of white light.
Write the range of wavelength of the visible spectrum.
The periscope is an optical device with a polished surface that reflects the light falling on it.
Curved mirrors have surfaces that are spherical, cylindrical, parabolic, and ellipsoid.
Assertion: We can see the rainbow in the sky when the rain starts falling after a spell of bright sunlight.
Reason: The rainbow is formed due to the dispersion of light.
dispersive power of crown glass? Given that µv = 1.5230, µr = 1.5145
In the following diagram showing dispersion of white light by a glass prism, the colours 'P' and 'Q’ respectively are:
