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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 current I ampere flows along the inner conductor of a co-axial cable and returns
- Work done by an external agent in separating the parallel plate capacitor is
- The current in the windings of a toroid is 2.0 A. There are 400 turns
- A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
- what should be the velocity of an electron so that its momentum becomes equal
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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