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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.
Related Questions: - The output of an AND gate is connected to both the inputs of a NOR gate,
- A ball moving with velocity 2 m/s collides head on with another stationary ball
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The output of an AND gate is connected to both the inputs of a NOR gate,
- A ball moving with velocity 2 m/s collides head on with another stationary ball
- The range of voltmeter is 10V and its internal resistance is 50Ω.
- When photons of energy hν are incident on the surface of photosensitive
- Which of the following atoms has the lowest ionisation potential?
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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