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PUNJAB BOARD PREVIOUS YEAR PAPERS-Dispersion and Prism-EXERCISE
- A ray of light passes through an equilateral glass prism, such that an...
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- A narrow beam of light is incident normally on one face of a glass pri...
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- What is the essential condition for observing rainbow ?
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- State rayleigh's law of scattering.
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- Define dispersive power of a prism.
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- Which colour deviates most on passing through prism?
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- Which colour deviates least on passing through prism ?
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- Why does the colour of the sky appear blue?
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- Why the rising sun looks to be red, explain ?
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- Why does the sun looks red at the time of setting ? Explain on the bas...
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- Why does the colour of the sky appear blue?
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- State the reason for the following observations recorded from the surf...
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- State the reason for the following observations recorded from the surf...
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- Why does the sun appear reddish in the morning (as well as in evening)...
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- Why does the colour of the sky appear blue?
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- Why does the sun looks red at the time of setting ? Explain on the bas...
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- What is dispersion of light ? Explain it with a ray diagram. Also expl...
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- Why is there no dispersion of light refracted through a rectangular gl...
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- Explain why danger signals are made of red colour ?
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- Can we observe dispersion of light in a rectangular glassslab? Explain...
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