A certain radioactive element A, has a half life = t
seconds. In (t/2) seconds the fraction of the initial
quantity of the element so far decayed is nearly
(a) 29%
(b) 15%
(c) 10%
(d) 45%
Answer Posted / alakesh
Ans is "a" . In (t/2) seconds the fraction of the initial
quantity of the element so far decayed is nearly 29%.
| Is This Answer Correct ? | 51 Yes | 9 No |
Post New Answer View All Answers
How to find flanking region ?
What does the ultrametric property of a tree tell us about the evolutionary process?
what is the principle involved in Biometry?
How to caculate coordinates of each atoms on 3 D HP model?
How a cluster algorithm works?
What is C-compliator?
What do you think are the more interesting areas of bioinformatics?
What is the criteria for LTQ (LC-MS/MS) SEQUEST search?
Describe the aim of microarray data analysis?
How do ESTs work?
Have the proteins of a family generally acquired distinctive properties within each of these three kingdoms for ancient families that arose before bacteria, archaea and eukaryotes diverged?
what is a qi number?
Did shuffling of protein constituents occur between systems for multicomponent transport systems such as the atp-binding-cassette or complex protein secretion systems?
Suppose the Blast search returned 100 hits. Of these, 17 were false positives and we knew that there were 165 sequences in the database which should have returned a hit with our sequence. How many false negatives were there, and what is the sensitivity and selectivity of Blast in this instance?
How to predict the function of a gene (product)?