| ⇦ | 
| ⇨ |
The mass of an object changes from 0.002 g to 0.00025 g in a time period of 1500 years.The half-life of the object is
Options
(a) 500 yrs
(b) 850 yrs
(c) 700 yrs
(d) 1000 yrs
Correct Answer:
500 yrs
Explanation:
Here, N₀ = 0.002 g, N = 0.00025 g. t = 1500 years.
Now , k = 2.303 / t log N₀ / N = 2.303 / 1500 log (0.002 / 0.00025).
t (1/2) = 0.6993 / k = 500 years.
Related Questions: - The volume of 0.05 M KMnO₄ solution required to oxidized completely 2.70g
- Bithional is generally added to the soaps as an additive to function as a
- Strong reducing behaviour of H₃PO₂ is due to
- Pure nascent hydrogen is based obtained by
- The anion, (Si₆O₁₈)¹²⁻ is present in
Topics: Electrochemistry and Chemical Kinetics
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The volume of 0.05 M KMnO₄ solution required to oxidized completely 2.70g
- Bithional is generally added to the soaps as an additive to function as a
- Strong reducing behaviour of H₃PO₂ is due to
- Pure nascent hydrogen is based obtained by
- The anion, (Si₆O₁₈)¹²⁻ is present in
Topics: Electrochemistry and Chemical Kinetics (87)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply