Home
Class 12
CHEMISTRY
The half-life period for a radioactive s...

The half-life period for a radioactive substance is 15 minutes. How many grams of this radioactive substance is decayed from 50 gram of substance after one hour?

A

37.5

B

25

C

43.75

D

46.875

Text Solution

Verified by Experts

The correct Answer is:
D

3.125 g remain
Decayed = 46.875
Promotional Banner

Similar Questions

Explore conceptually related problems

The half life period of a radio active material is 15 minutes. What percentage of radioactivity of that material will remain after 45 minutes ?

Half-life of a radioactive substance A is 4 days . The probability that a nuclear will decay in two half-lives is

The half life of a radioactive substance is T_(0) . At t=0 ,the number of active nuclei are N_(0) . Select the correct alternative.

The half life period of a first order reaction is 10 mins, what percentage of the reactant will remain after one hour?

The decay constant of a radioactive substance is 0.173 ("years")^(-1) . Therefore:

The half life of a radioactive substance is 20 minutes . The approximate time interval (t_(2) - t_(1)) between the time t_(2) when (2)/(3) of it had decayed and time t_(1) when (1)/(3) of it had decay is

A radioactive substance decays to 1/16 th of the initial mass in 40 days. The half life of the substance is….. Day.

If 20 gm of a radioactive substance due to radioactive decay reduces to 10 gm in 4 minutes, then in what time 80 gm of the same substance will reduce to 10 gm-

Which of the following cannot be emitted by radioactive substances during their decay ?