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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 temperature of gas increases from 27°C to 927°C, the kinetic energy will be
- The velocity of radio-waves is 3×10⁵ km/s. The frequency corresponding to wavelength
- The potential energy of a system increases if work is done
- A n-p-n transistor is connected in common emitter configuration in a given amplifier.
- Two identical capacitors each of capacitance 5 mF are charged potentials 2 kV and 1 kV
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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