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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: - Given A=4i+6j and B=2i+3j. Which of the following is correct?
- In p- type semiconductor, the acceptor level lies
- The reddish appearance of the sun at sunrise and sunset is due to
- A beam of light of wavelength 600 nm from a distant source falls
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Topics: Radioactivity
(83)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Given A=4i+6j and B=2i+3j. Which of the following is correct?
- In p- type semiconductor, the acceptor level lies
- The reddish appearance of the sun at sunrise and sunset is due to
- A beam of light of wavelength 600 nm from a distant source falls
- A particle has initial velocity(3i⃗ +4j⃗)and has acceleration (0.4i⃗ +0.3j⃗)
Topics: Radioactivity (83)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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