Two radioactive substances X and Y initially contain an equal number of atoms. Their half lives are 1 hour and 2 hours respectively. Then the ratio of their rates of disintegration after two hours is

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away

An Intiative by Sri Chaitanya

1:1

2:1

1:2

2:3

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

A=λN

Watch 3-min video & get full concept clarity