Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
77 views
in Physics by (91.2k points)
closed
A `280 `days old cative substance shown an activity of `6000 dps 100 days` later its activity between `3000` days what was its initial activity ?
A. `20000 dps`
B. `24000 dps`
C. `12000 dps`
D. `6000 dps`

1 Answer

0 votes
by (93.6k points)
 
Best answer
Correct Answer - B
In two half lives, the activity , will remain `(1)/(4) ` of its initial activity

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...