A source of light of frequency \( vv_{0} \) is placed at \( 2 \mathrm{~m} \) from the cathode of...

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A source of light of frequency \( vv_{0} \) is placed at \( 2 \mathrm{~m} \) from the cathode of a photocell. The stopping potential is found to be \( V_{0} \). If the distance of the light source is halved, state with reason what changes occur in (a) stopping potential, (b) photoelectric current, and (c) maximum velocity of photoelectrons emitted.
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