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A source of light is placed at a distance of 50 cm from a photocell and the stopping potential is found to be V₀. If the distance between the light source and photocell is made 25 cm, the new stopping potential will be
Options
(a) 2V₀
(b) V₀ / 2
(c) V₀
(d) 4V₀
Correct Answer:
V₀
Explanation:
Since, stopping potential is independent of distance hence new stopping potential will remain unchanged i.e., new stopping potential = V₀.
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If oxygen has root mean square velocity of C m/s, then root mean square velocity of H
- A spring when stretched by 2mm containing energy 4 J. If it is stretched
- The self-inductance of a choke coil is 10 mH. When it is connected with a 10 V DC source,
- Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å.
- The numebr 0 (zero) is required for
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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