Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

The half life period of a radioactive element X is the same as the mean life time of another radioactive element Y. Initially both of them have the same number of atoms. Then,

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

X and Y have the same initial decay rate.

b

X and Y decay at the same rate always.

c

Initially, Y will decay at larger rate than X.

d

Initially, X will decay at larger rate than Y

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

T1/2,half life of X=Tmean , mean life of Yln⁡2λx=1λYλxλy=ln⁡2<1 So, λx<λyDecay rate= λN∴Initially Y will decay at longer rate than X.Therefore, the correct answer is (C).
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
personalised 1:1 online tutoring