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Photoelectric emision occurs only when the incident light has more than a certain minimum
Options
(a) power
(b) wavelength
(c) intensity
(d) frequency
Correct Answer:
frequency
Explanation:
For occurence of photoelectric effect, the incident light should have frequency more than a certain minimum which is called the threshold frequency (v₀).
We have, 1/2 mv² = hv – hv₀
for photoelecric effect emission v > v₀ where v is the frequency of the incident light.
Related Questions: - In the Young’s double slit experiment, the intensity of light at a point on the screen
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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
- In the Young’s double slit experiment, the intensity of light at a point on the screen
- Two spherical bodies of mass M and 5 M and radii R and 2 R released in free space
- Which of the following is not a thermodynamical coordinate?
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- A bus is moving with a speed of 10 ms⁻¹ on a straight road
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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