Home
Class 12
CHEMISTRY
Assertion. Average life of a radioactive...

Assertion. Average life of a radioactive element is that period in which `63%` of it is decayed.
Reason. Average life `tau=1.44" t"_(1//2).`

A

If both assertion and reason are true and reason is the true explanation of the assertion.

B

If both assertion and reason ae true but reason is not the true explanation of the assertion.

C

If assertion is true, but reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
R is the correct explanation of A.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL KINETICS

    PRADEEP|Exercise COMPETITION FOCUS (JEE(Main and Advanced)/Medical Entrance) (VIII. Multiple Choice Questions)|3 Videos

  • CHEMICAL KINETICS

    PRADEEP|Exercise IMPORTANT QUESTIONS FOR BOARD EXAMINATION|30 Videos

  • CHEMICAL KINETICS

    PRADEEP|Exercise COMPETITION FOCUS (JEE(Main and Advanced)/Medical Entrance) (VII. Assertion-Reason Type Questions) Type - I|6 Videos

  • BIOMOLECULES

    PRADEEP|Exercise IMPORTANT QUESTIONS (FOR BOARD EXAMINATION)|25 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    PRADEEP|Exercise IMPORTANT QUESTION FOR BOARD EXAMINATION|30 Videos

Similar Questions

Explore conceptually related problems

Half-life period for radioactive element is

If half life of an radioactive element is 20min. Find the time interval of 33% decay and 67%

Average life period is equal to

The average life of a radioactive element is ............. of the decay constant.

The mean life of a radioactive sample is T_(m) . What is the time in which 50% of the sample woulf get decayed ?

Calculate the average life of a radioactive substance whose half-life period is 100 years.