| ⇦ | 
| ⇨ |
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: - If concentration of reactants is increased by ‘x’,then the K becomes
- What is the amount of Chlorine evolved,when 2A of current is passed for 30 minutes
- Diamond is used I glass cutting due to its
- When a mixture of calcium acetate and calcium formate is dry distilled, the
- Butter is an example of which type of colloid
Topics: Electrochemistry and Chemical Kinetics
(87)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If concentration of reactants is increased by ‘x’,then the K becomes
- What is the amount of Chlorine evolved,when 2A of current is passed for 30 minutes
- Diamond is used I glass cutting due to its
- When a mixture of calcium acetate and calcium formate is dry distilled, the
- Butter is an example of which type of colloid
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