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The threshold frequency for a metallic surface corresponds to an energy of 6.2 eV, and the stopping potential for a radiation incident on this surface 5 V. The incident radiation lies in
Options
(a) X-ray region
(b) Ultra-violet region
(c) Infra-red region
(d) Visible region
Correct Answer:
Ultra-violet region
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - The binding energy of deutron is 2.2 MeV and that of ₂⁴He is 28 MeV.
- In a primary coil 5 A current is flowing on 220 V. In the secondary coil 2200 V
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
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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
- The binding energy of deutron is 2.2 MeV and that of ₂⁴He is 28 MeV.
- In a primary coil 5 A current is flowing on 220 V. In the secondary coil 2200 V
- If the alternating current I=I₁ cosωt+I₂ sinωt, then the rms current is given by
- Core of electromagnets are made of ferromagnetic material which has
- Two bullets are fired simultaneously, horizontally and with different speeds
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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