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The de-Broglie wavelength of an electron is the same as that of a 50 KeV X-ray photon. The ratio of the energy of the photon to the kinetic energy of the electron is (the energy equivalent of electron mass of 0.5 MeV)
Options
(a) (1:50)
(b) (1:20)
(c) (20:1)
(d) (50:1)
Correct Answer:
(20:1)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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(150)
Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Cathode rays are produced when the pressure is of the order of
- The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights
- A round uniform body of radius R, mass M and moment of inertia I rolls down
- A beam of light of λ=600 nm from a distant source falls on a single slit 1 mm wide
- A particle has initial velocity (3i + 4j) and acceleration (0.1 i+0.3j). It’s speed after 10s
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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