Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

Initial active mass of radioactive sample is 76gm. find active mass at the end of 2 mean lives. radioactivity physics class 12

Initial active mass of radioactive sample is 76gm. find active mass at the end of 2 mean lives. radioactivity physics class 12

Question Image
Grade:12th pass

1 Answers

Vikas TU
14149 Points
4 years ago
At 2 t-half lives the amount would be reduced to the one – fourth of the inital mass.
As from the n series, 
t1/2 = w/2^n here n =2
Hence,
the active mass at this end is here: => 76/4 => 19 gms

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free