Dispersion of Light
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Light rays get refracted ______ when they pass from air to glass prism.
away from the normal
towards the normal
along the normal
along the air-glass interface
Statement 1: When a white light ray passes through a prism it disperses into seven different colours, and this phenomenon is called dispersion.
Statement 2: Refraction depends upon the wavelength of light and since different colours have different wavelengths, they are refracted at a different angle.
Statement 1 and 2 are correct but statement 2 is not the correct reason of statement 1.
Statement 1 and 2 are correct and statement 2 is the correct reason for statement 1.
Both statements are wrong.
Statement 1 is correct but statement 2 is incorrect.
As light rays travel from air into a glass prism, they deviate away from the normal.
True
False
The process by which a beam of white light splits into its constituent colours is known as
dispersion
scattering
reflection
tyndall effect
What is the order of the seven colours (from most deviated to least deviated) that we see after dispersion through a glass prism?
Violet, indigo, red, green, blue, orange, yellow
Violet, indigo, blue, green, yellow, orange, red
Red, orange, yellow, violet, indigo, blue, green
Red, yellow, indigo, blue, violet, green, orange
The splitting of white light into its constituent colors is called dispersion.
True
False
Dispersion of light can be defined as the separation of a visible light beam into its constituent colours.
True
False
Dispersion of light can be defined as the separation of white light beam into its seven constituent colors.
- True
- False
- Dispersion
- Refraction
- Reflection
- Diffraction