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प्रश्न
Say TRUE or FALSE
After passing through a prism, white light splits into a band of seven colours
पर्याय
True
False
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उत्तर
After passing through a prism, white light splits into a band of seven colours- True
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संबंधित प्रश्न
As light rays emerge from a glass prism into air, are they refracted towards or away from the normal?
In the figure given alongside, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a spectrum YX on the screen.
- State the colour seen
- at X, and
- at Y.
- Why do different colours of white light bend through different angles with respect to the incident beam of light?
In the figure given alongside, a narrow beam of white light is shown to pass through a triangular glass prism. After passing through the prism, it produces a spectrum YX on the screen.
Why do different colours of white light bend through different angles with respect to the incident beam of light?
The property of splitting of white light into its seven constituent colours is known as
A ray of white light falls on a prism. Draw a ray diagram to show that the prism disperses the white light.
What conclusion do you draw about the nature of white light in part (b)?
When we place a glass prism in the path of a narrow beam of white light a spectrum is obtained. What happens when a second identical prism is placed in an inverted position with respect to the first prism? Draw a labelled ray diagram to illustrate it.
An object is placed in front of a converging lens and in front of a diverging lens as in fig.
(a)Complete the ray diagram to obtain an image.
(b)Compare the nature of image formed by both the lenses in the above case.
Which one of the following is involved for the formation of rainbow in the sky?
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.
