The half life period of a radioactive is...

The half life period of a radioactive isotope of X is 15 hours. How long will it take for its activity to be reduced to 1/16 of its original value ?

A

30 hours

B

45 hours

C

60 hours

D

120 hours

Text Solution

Verified by Experts

The correct Answer is:

C

Topper's Solved these Questions

MOCK TEST PAPER 5
MODERN PUBLICATION|Exercise QUESTION|57 Videos
ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES
MODERN PUBLICATION|Exercise Recent Examination Questions|8 Videos

Similar Questions

Explore conceptually related problems

A certain radioactive substance has half life period of 10 days. How long will it take for its activity to reduce to 1/8 of its original value ?

The half life period of a radioactive nucleide is 1 hour. In three hours its activity will be reduced by a factor of:

A radio active isotope has a half - life of 'T' years. How long will it take the activity to reduce to (a) 3.125% (b) 1% of the original value.

One microgram of radioactive sodium, ""_(11)^(24)Na with half life of 15 hour was injected into a living system. How long will it take for the radioactivity to fall to 25% of the initial value ?

The half life period of a particular isotope is 10 years. Its decay constant is:

The half life period of an radioactive element is 1.4 xx 10 ^(10) years. The time in which the activity of the element is raduced to 90% of its original value is :

If the half life period for a reaction in A is 100 min . How long will it take [A] to reach 25 % of its initial concentration ?

The half-life period of a radioactive substance is 140 days. After 560 days, one gram of the element will be reduced to:

The half life period of a reaction of first order is 200 sec. Calculate its rate constant.

MODERN PUBLICATION-NUCLEAR CHEMISTRY-Multiple Choice Questions

During the fission of U-235, a large amount of energy of the order of ...
Text Solution
|
The half life period of a particular isotope is 10 years. Its decay co...
Text Solution
|
The half life period of a radioactive isotope of X is 15 hours. How lo...
Text Solution
|
The half life period of a radioactive substance is 5.27 years (decay c...
Text Solution
|
A certain radioactive substance has half life period of 10 days. How l...
Text Solution
|
The activity of an old piece of wood is just one fourth of a fresh pie...
Text Solution
|
Eight grams of a radioactive substance is reduced to 0.5 g after 1 hou...
Text Solution
|
A radioactive substance having a half life period of 5 days was receiv...
Text Solution
|
Carbon-14 has a half life period of 5760 years. 100 mg of sample conta...
Text Solution
|
Wooden artifact and freshly cut tree are having 7.6 and 15.2 counts mi...
Text Solution
|
The half life period of a radioactive substance having radioactive dis...
Text Solution
|
Starting with 10 g of a radioactive substance 0.1 gis left after 10 da...
Text Solution
|
The half life period of a radioactive nucleide is 1 hour. In three hou...
Text Solution
|
The half life period of a radioactive element is 120 days. Starting wi...
Text Solution
|
A certain nucleide has half life period of 30 min. If a sample contain...
Text Solution
|
If the mass defect of ""(4)^(9)X is a.m.u., then binding energy per nu...
Text Solution
|
The most stable nuclei have mass number :
Text Solution
|
The isotopic mass of ""(92)^(238)U is 238.125 a.m.u. Its packing fract...
Text Solution
|
The total number of alpha and beta particles lost in the process of t...
Text Solution
|
An isotope ""(a)^(b)X undergoes x alpha and y beta disintegrations to ...
Text Solution
|