Same chapter2 marksDifficulty: Easy
What is dispersion of light? Name the colours of the spectrum in order.
Spectrum
2 marksDifficulty: Easy
Name the radiation that lies just beyond the red end of the visible spectrum and state one of its uses.
Original Khojo Papers practice question — not from a past board paper.
Answer
Infrared radiation lies just beyond the red end. It is used in thermal imaging and in remote controls for televisions.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Ultraviolet radiation lies just beyond the violet end.
Related questions
From the same topic and chapter, at a similar level.
Same chapter1 markDifficulty: Easy
In the spectrum of white light, the colour deviated the least by a prism is:
Spectrum
Same chapter2 marksDifficulty: Easy
Which colour of light is deviated the most and which the least when white light passes through a prism, and why?
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Same chapter1 markDifficulty: Easy
When white light passes through a prism, the colour that is deviated the most is:
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Same chapter3 marksDifficulty: Medium
State two properties of ultraviolet radiation and one of its harmful effects.
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Same chapter3 marksDifficulty: Medium
Why does a rainbow form after rain?
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