Home
Class 12
CHEMISTRY
A radioactive element has a half life of...

A radioactive element has a half life of one day. After three days the amount of the element left will be :

Text Solution

Verified by Experts

The correct Answer is:
`1//8` of the original amount
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • RADIOACTIVITY

    MOTION|Exercise EXERCISE - 3|23 Videos

  • RADIOACTIVITY

    MOTION|Exercise EXERCISE - 4 LEVEL - I|10 Videos

  • RADIOACTIVITY

    MOTION|Exercise EXERCISE - 1|25 Videos

  • PERIODIC TABLE

    MOTION|Exercise Exercise - 4 | Level-II|22 Videos

  • S-BLOCK

    MOTION|Exercise EXERCISE - 3 Level - II Previous Year | JEE adv|4 Videos

Similar Questions

Explore conceptually related problems

Initial amount of the radioactive element with half life 10 days is 16 g. What amount in gm of this element will remain after 40 days?

A radioactive element has half life period of 30 days. How much of it will be left after 90 days?

Knowledge Check

  • A radioactive element has half-life of one day. After three days, the amount of the element left will be

    A
    1.2 of the original amount
    B
    1.4 of the original amount
    C
    1.8 of the original amount
    D
    1/16 of the original amount

  • A radioactive element has half life period 800 years. After 6400 years what amount will remain ?

    A
    `1/2`
    B
    `1/16`
    C
    `1/8`
    D
    `1/256`

  • A certain radioactive element has a half-life of 20 years . If we have a block with 10 g of the element in it, after how

    A
    80 years
    B
    40 years
    C
    100 years
    D
    60 years

    • Similar Questions

    Explore conceptually related problems

    A radioactive element has half-life period of 30 days. How much of it will be left after 90 days?

    A radioactive element has half-life period 800 yr . After 6400 yr , what amount will remain?

    A sample contains 16 gm of radioactive material, the half-life of which is two days. After 32 days, the amount of radioactive material left in the sample is

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

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

    Home
    Profile