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The masses of two radioactive substances are same and their half lives are 1 year and 2 years respectively. The ratio of their activities after 6 years will be
Options
(a) 1 : 3
(b) 1 : 6
(c) 1 : 4
(d) 1 : 2
Correct Answer:
1 : 4
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electrons in a certain energy level n=n₁, can emit 3 spectral lines. When they
- A ball is dropped from a height of 20 cm. Ball rebounds to a height of 10cm
- A common emitter amplifier gives an output of 3 V for an input of 0.01 V.
- The temperature of a metal block is increased from 27⁰C to 84⁰C. The rate of radiated energy
- The refractive index of water, glass and diamond are 1.33, 1.50, 2.40 respectively
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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