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प्रश्न
As light rays pass from air into a glass prism, are they refracted towards or away from the normal?
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उत्तर
As light rays pass from the air into a glass prism, they are refracted towards the normal because glass is denser than air.
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संबंधित प्रश्न
Why do the component colours of incident white light split into a spectrum while passing through a glass prism, explain
Draw a ray diagram to show the dispersion of white light.
A beam of white light is shone onto a glass prism. The light cannot be:
(a) deviated
(b) dispersed
(c) focused
(d) refracted
Out of the following, the colour of light having the maximum wavelength is:
(a) violet
(b) indigo
(c) green
(d) orange
The speed of light in air or vacuum is
How does the speed of light determine the optical density of a medium?
A ray of white light is passed through a glass prism and a spectrum is obtained on a screen.
- Name the seven colours of the spectrum in order.
- Do the colours have the same width in the spectrum?
- Which of the colour of the spectrum of white light deviates (i) the most, (ii) the least?
When a white light ray falls on a prism, the ray at its first surface suffers ______.
In which of the following four diagrams is the correct path of a ray of light passing through a glass prism shown ?
A wave has wavelength 50Å of name the wave.
A wave has wavelength 50Å of State its one use.
A student has to trace the path of a ray of light through a glass prism. List four precautions he should observe for better results.
Distinguish between an impure spectrum and a pure spectrum.
Observe the given figure and answer the following questions.
- Which colour light rays bend most?
- Which colour light rays bend least.
- What is the wavelength of violet light rays?
What is Newton’s disc?
What is a rainbow?
State True or False:
"Wavelength of red light is close to 700 nm.”
A ray of light is incident at 45° on an equilateral prism in the diagram below.
- Name the phenomenon exhibited by the ray of light when it enters and emerges out of the prism.
- State the cause of the above phenomenon mentioned by you.
