Physics, asked by ameyaalsundekar4939, 11 months ago

At an instant, the ratio of the amounts of radioactive substances is 2 : 1. If their half lives be respectively 12 and 16 hours, then after 2 days, the ratio of amounts of substances left over will be(a) 1 : 1(b) 2 : 1(c) 1 : 2(d) 1 : 4

Answers

Answered by Lovelygirlpihu

0

xisgdeubducfuxvvifsfhjdcfarj bodc

LoL

Previous Question

Next Question

Similar questions

English, 6 months ago

Make the sentence of the phrase i ) some source of supply ...

English, 6 months ago

In February 1933 Gandhiji started the publication of a weekly paper, Harijan, to promote the anti-untouchability campaign. Its first issue was out on February 11, 1933 from _________. (a) Vallabhbhai Patel (b) Sarojini Naidu (c) Jawaharlal Nehru (d) Vinoba Bhave...

Math, 6 months ago

11. Answer the following questions 1) Name the famous king who supported Portuguese to capture Goa from Vijayapura sultan...

Physics, 11 months ago

Half life of a radioactive substance is 20 minute. Difference between points of time when it is 33% disintegrated and 67% disintegrated is approximately(a) 40 minute(b) 10 minute(c) 15 minute(d) 20 minute...

Physics, 11 months ago

A heavy nucleus having mass number 200 gets disintegrated into two small fragments of mass number 80 and 120. If binding energy per nucleon for parent atom is 6.5 MeV and for daughter nuclei is 7 MeV and 8 MeV respectively, then the energy released in the decay will be –(a) 200 MeV(b) –220 MeV(c) 220 MeV(d) 180 MeV...

Biology, 1 year ago

Difference between crude density and ecological density...

Physics, 1 year ago

Conclusion water spread on floor disappears after some time.

Computer Science, 1 year ago

Difference between time sharing and real time operating system...