Two samples X and Y contain equal amount...

Two samples X and Y contain equal amounts of radioactive substances. If `1/16 th` of a sample X and `1/256 th` of sample Y remain after 8h, then the ratio of half periods of X and Y is

`2:1`

`1:2`

`1:4`

`1:16`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ATOMS, MOLECULES AND NUCLEI
TARGET PUBLICATION|Exercise Competitive Thinking|180 Videos
ATOMS, MOLECULES AND NUCLEI
TARGET PUBLICATION|Exercise Evaluation test|19 Videos
ATOMS, MOLECULES AND NUCLEI
TARGET PUBLICATION|Exercise Evaluation test|19 Videos
CIRCULAR MOTION
TARGET PUBLICATION|Exercise EVALUATION TEST|11 Videos

Similar Questions

Explore conceptually related problems

Two radioactive samples A and B have same number of atoms initially. After 6 hours, I/8th of sample A and l/32th of sample B remains. The number of half-lives of A and B are n_(1) and n_(2) The ratio of half-lives of A and B is

If 2.0 g of a radioactive substance has t_(1//2) of 7 days , the half life of 1 g sample is

At any instant, the ratio of the amounts of two radioactive substance is 2:1 . If their half-lives be, respectively, 12h and 16h , then after two days, what will be the ratio of the substances?

Two samples of different radioactive substances initially have the ratio of active nuclei 4 : 1 and then half lives are 12 hr. and 16 hr. respectively. Find the ratio of active nuclei of the two samples after 2 days.

Three samples of a radioactive substance have activity in a ratio 2 : 5 : 7 , then after two half lives the ratio of their activities will be:

After 2 hr the radioactive substance becomes 1/16 th of original amount. The t_(1//2) in minutes is

A radioactive sample X has thrice the number of nuclei and activity one-third as compared to other radioactive sample Y. The ratio of half-lives of X and Y is

A radioactive nucleus decays so that after 30 years only 1/8th of intial sample is active. What is half life of sample

TARGET PUBLICATION-ATOMS, MOLECULES AND NUCLEI -Critical Thinking

The de-Broglie wavelength of an electron revolving in the ground state...
Text Solution
|
A particle X moving with a certain velocity has a debroglie wave lengt...
Text Solution
|
An electron is having a kinetic energy of 50 eV. Its de-Broglie wavele...
Text Solution
|
An electron and a proton are accelerated through the same potential di...
Text Solution
|
In the Bohr model of a hydrogen atom, the centripetal force is furnish...
Text Solution
|
The wavelength of the energy emitted when electron come from fourth or...
Text Solution
|
The time of revolution of an electron around a nucleus of charge Ze in...
Text Solution
|
If the binding energy of the electron in a hydrogen atom is 13.6 eV th...
Text Solution
|
A difference of 2.3 eV separates two energy levels in an atom. What is...
Text Solution
|
The half-life a radioacitve substance is 40 yeard. How long will it ta...
Text Solution
|
The rest mass of an electron as well as that of positron is 0.51 MeV. ...
Text Solution
|
In Bohr's model of hydrogen atom, the period of revolution of the elec...
Text Solution
|
Energy of the lowest level of hydrogen atom is -13.6 eV. The energy of...
Text Solution
|
Ionization potential of hydrogen atom is 13.6 V. Hydrogen atoms in the...
Text Solution
|
If in nature they may not be an element for which the principle quantu...
Text Solution
|
If the binding energy per nucleon of deuterium is 1.115 MeV, its mass ...
Text Solution
|
Two samples X and Y contain equal amounts of radioactive substances. I...
Text Solution
|
Assertion: Balmer series lies in visible region of electromagnetic spe...
Text Solution
|
Assertion: Natural radioactive nuclei are nuclei of high mass number. ...
Text Solution
|
Assertion: The density of nucleus is maximum at the center and falls t...
Text Solution
|