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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 unit of permitivity of free space, ε₀ is
- Pressure gradient has the same dimensions as that of
- The capacitance of two concentric spherical shells of radii R₁ and R₂ (R₂>R₁) is
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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 unit of permitivity of free space, ε₀ is
- Pressure gradient has the same dimensions as that of
- The capacitance of two concentric spherical shells of radii R₁ and R₂ (R₂>R₁) is
- In communication with help of antenna if height is doubled then the range
- The drive shaft of an automobile rotates at 3600 rpm and transmits 80 HP
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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