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If the radioactive dacay constant of radium is 1.07 x 10⁻⁴ year⁻¹, then its half-life is approximately
Options
(a) 8900 years
(b) 7000 years
(c) 6477 years
(d) 5000 years
Correct Answer:
6477 years
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A car accelerates from rest at constant rate for first 10s and covers a distance x.
- The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field
- Carbon,silicon and germanium have four valence electrons each. At room temperature
- A sample of HCl gas is placed in an electric field of 5 x 10⁴ N/C
- The upper half of an inclined plane of inclination θ is perfectly smooth while lower
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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