A ray of light passing through the centre of curvature of...
A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at?
0o
45o
90o
180o
Correct answer is A
No explanation has been provided for this answer.
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Which of the following pairs is part of the electromagnetic spectrum? I. Radio waves II...
Dispersion of light by a glass prism is due to the ...
Which of the following will reduce the frequency of oscillation of a simple pendulum? ...
A clinical thermometer is different from other mercury in glass thermometers owing to ...