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If 20% of a radiactive element decays in 10 days, then amount of original material left after 30 days is (approx)
Options
(a) 78%
(b) 62%
(c) 51%
(d) 48%
Correct Answer:
51%
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
- A ball rolls without slipping. The raidus of gyration of the ball about an axis
- What is the value of incidence L for which the current is maximum in a series LCR
- Electromagnets are made of soft iron because soft iron has
- 4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas
- A mass of 2.0 kg is put on a flat plan attached to a vertical spring fixed on the ground
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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