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Q. |
Formation of shadows can be explained by - |
A. | rectilinear propagation of light |
B. | reflection |
C. | refraction |
D. | total internal reflection |
Answer» A. rectilinear propagation of light | |
Explanation: In this position, the head light will be at the principal focus so that the rays of light falling on the concave mirror will be rendered parallel |
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