CameraIcon

SearchIcon

MyQuestionIcon

3

You visited us 3 times! Enjoying our articles? Unlock Full Access!

Rutherford's Set up and Predictions

If the half-l...

Question

If the half-life of a radioactive element is $10$ hr, it average life $=$ __________hr.

A

1.44

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

6.93

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

14.4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

0.693

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B $14.4$
Half life $T_{1 / 2} = 10 h r$
Mean life $T_{m e a n} = 1.44 T_{1 / 2}$
$⟹ T_{m e a n} = 1.44 \times 10 = 14.4 h r$
Correct answer is option C.

Suggest Corrections

thumbs-up

1

Similar questions

Q. If 8 g of a radioactive isotope has a half life period of 10 hrs, the half-life period of 2g of the same substance is

Q. The half life of a radioactive element is

10

hrs. How much be left after

4

1

gm atom sample?

Q. A radioactive element has decay constant

6.93 \times 10^{- 3} s e c^{- 1}

. Its half-life period in seconds is:

Q. If 8 g of a radioactive isotope has a half life period of 10 hrs, the half-life period of 2g of the same substance is

Q. Half life of a Radioactive element is 100 years .What will be its average life ?

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Rutherfords Setup and Predictions

PHYSICS

Watch in App

explore_more_icon

Explore more

Rutherford's Set up and Predictions

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon