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The nuclei of which one of the following pairs of nuclei are isotones?
Options
(a) ₃₄Se⁷⁴,₃₁Ga⁷¹
(b) ₃₈Sr⁸⁴,₃₈Sr⁸⁶
(c) ₄₂Mo⁹²,₄₀Zr⁹²
(d) ₂₀Ca⁴⁰,₁₆S³²
Correct Answer:
₃₄Se⁷⁴,₃₁Ga⁷¹
Explanation:
Isotones means number of neutron remains same.
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer
- Four cells, each of emf E and internal resistance r, are connected in series across
- The time of reverberation of a room A is one second. What will be the time (in seconds)
- Water falls from a height of 60m at the rate of 15 kg/s to operate a turbine
- Two electrons are separated by a distance of 1Å. What is the coulomb force between them?
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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