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In radioactive element, β-rays are emitted from
Options
(a) Nucleus
(b) Outer orbit
(c) Inner orbit
(d) None of these
Correct Answer:
Nucleus
Explanation:
β-rays are emitted from nucleus.
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected in series
- A 50 ohm galvanometer gets full scale deflection when a current of 0.01 A passes
- The photoelectric threshold frequency of a metal is ν. When light of frequency 4ν
- The wavelength of Kα line in copper is 1.5Å. The ionisation energy of K electron in copper is
- The frequencies of X-rays,γ-rays and ultraviolet rays are respectively p,q and r
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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