Home » Ask & Discuss » Physics. » Modern Physics « Back to Discussion



Modern Physics

Blazing goIITian

Joined: 22 Feb 2008
Post: 370
29 Mar 2008 20:26:07 IST
0 People liked this
2
311 View Post
modern phyics ques
None

radioactivty of a sample is R1 at time T1 and R2 at time T2.If the half life of the specimen is T, the number of atoms that have disintegrated in time (T2 -T1) is proportional to
(a) R1T1-R2T2
(b)R1-R2
(c)R1-R2/T
(d)(R1-R2)T


Share this article on:

Comments (2)

sunip dutta's Avatar

Scorching goIITian

Joined: 24 Aug 2007
Posts: 211
29 Mar 2008 20:44:39 IST
0 people liked this

is it B)
mohit jain's Avatar

Blazing goIITian

Joined: 4 Feb 2008
Posts: 861
30 Mar 2008 09:57:45 IST
0 people liked this

D?????????????



Quick Reply


Reply

Some HTML allowed.
Keep your comments above the belt or risk having them deleted.
Signup for a avatar to have your pictures show up by your comment
If Members see a thread that violates the Posting Rules, bring it to the attention of the Moderator Team
Free Sign Up!

Preparing for IIT-JEE ?

Arihant Revision Package for IIT JEE - Books, Practice Tests + Rank Predictor


@ INR 1,995/-

For Quick Info

Name

Mobile No.

Find Posts by Topics

Physics.

Topics

Mathematics.

Chemistry.

Biology

Parents

Board

Fun Zone

Sponsored Ads