Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2003
Answer
Comment
Share
Q)

A sample of radioactive element has a mass of 10 gm at an instant t = 0. The approximate mass of this element in the sample after two mean lives is :


( A ) 6.30 gm
( B ) 3.70 gm
( C ) 1.35 gm
( D ) 2.50 gm
Home Ask Tuition Questions
Practice
Your payment for is successful.
Continue
...