Science, asked by ranjupatel, 7 months ago

7.
A radioactive sample has a half-life of 5 mins. What fraction of the sample is left after
20 mins ?
(A) 1/2
(B) 1/4
(C) 178
(D) 1/16
BAL
-

Answers

Answered by niraj123496

1

Answer:

hsjsjsjshsjsnsisnsjsjsjsjsksjeksmsk

Previous Question

Next Question

Similar questions

Math, 3 months ago

How much profit does a fruit seller make if he sells fruit costing Rs 300 at 20% above cost? please provide a step by step explanation...

Physics, 3 months ago

find out the correlation aspergillus itaconius : itaconic acid :: aspergillus niger : anyone give me ans i will mark as brainlist...

Biology, 3 months ago

who is father of biology...

English, 7 months ago

makes questions to get these answers He is reading the story...

History, 7 months ago

history in hindi plz help me...

Chemistry, 1 year ago

Which of the following sets of (n,l, ml, ms) quantum numbers for the H atom are correct. If a given set is incorrect state why this is so. (-5,-1,0, -1/2) (6,1,-1, 0) (3,2,-1,- 1/2) (4,4,2,+1/2) (5,3,-2,+1/2)...

Biology, 1 year ago

Kasrat krte time saans ghri or tej kyu ho jati h...

English, 1 year ago

Few sentences about Bullock carts in proper Telugu...