1.

16 gm sample of a radioactive element is taken from Bombay to Delhi in 2 hour and it was found that 1 gm of the element remained (undisintegrated). Half life of the element is [MP PMT 1994]

A. 2 hour
B. 1 hour
C. \[\frac{1}{2}hour\]
D. \[\frac{1}{4}hour\]
Answer» D. \[\frac{1}{4}hour\]


Discussion

No Comment Found

Related MCQs