Light - Study Mode
[#221] Magnification is
Correct Answer
(B) observed size of specimen/actual size
[#222] When we see the sky from a plane in high altitude, then it seems
Correct Answer
(B) Black
[#223] Rainbow is produced when Sunlight falls on drops of rain, which of the following physical phenomena are responsible for this? 1. Dispersion 2. Refraction 3. Internal reflection Select the correct answer:
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(D) 1, 2 and 3
[#224] Which colour of light shows maximum deviation when passed through a prism?
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(C) Violet
[#225] Light rays move in straight lines. But through an optical fibre, they can move in any type of zig-zag path because
Correct Answer
(D) successive total internal reflections occur as a ray moves through the fibre