ardhaayu kaal
ardhaayu kaal, kshaya hote hue kisi tattv ka vo kaal hota hai; jismein vo tattv mool maatra se aadha ho jaaye. ye naam pehle asthir paramaanuon (rediyodharmi kshaya) ke liye prayog kiya jaata tha, kintu ab ise kisi bhi nishchit kshaya vaale tattv ke liye prayog kiya jaata hai.
yeh mool shabd 1907 mein ardhaayu kaal ke naam se prayukt hua tha, jise baad mein 1950 mein ghata kar ardhaayu kar diya gaya.
| ardhaayuon ki sankhya (beeti hui) |
ansh shesh |
pratishat shesh |
|
|---|---|---|---|
| 0 | 1/1 | 100 | |
| 1 | 1/2 | 50 | |
| 2 | 1/4 | 25 | |
| 3 | 1/8 | 12 | .5 |
| 4 | 1/16 | 6 | .25 |
| 5 | 1/32 | 3 | .125 |
| 6 | 1/64 | 1 | .563 |
| 7 | 1/128 | 0 | .781 |
| ... | ... | ... | |
| n | 1/(2n) | 100/(2n) | |