Which of the following is correct for light diverging from a point source?
Physics · Class 12 · CBSE — Ray Optics & Optical Instruments
Which of the following is correct for light diverging from a point source?
- The intensity decreases in proportion for the distance squared.
- The wavefront is parabolic.
- The intensity at the wavelength does not depend on the distance.
- None of these.
Answer
(A) The intensity decreases in proportion for the distance squared.
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