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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 man weighing 60 kg climbs a staircase carrying a 20 kg load on his hand
- A spring of spring constant 5 x 10³ Nm⁻¹ is streched intially by 5 cm from
- A silver wire of radius 0.1 cm carries a current of 2A. If the charge density in silver
- A particle A suffers on oblique elastic collision with a particle B that
- A source of sound and a detector are moving along the same line with same speed
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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