A radioactive substance decays to `[1/16^(th)]`of its initial quantity in 108 minutes. Find its
decay constant

A radioactive substance decays to [1/16^(th)] of its initial quantity in 108 minutes. Find its half line

Half life of .^24Na is a900 minutes.What is its decay constant?

If the half life of radium is 1620 years then its decay constant is

The amplitude of a damped oscillator becomes (1)/(27)^(th) of its initial value after 6 minutes. Its amplitude after 2 minutes is

The rate of decay of the mass of a radioactive substance at any time is 10^-4 times its mass at that instant. After 10,000 years, show that the mass will be less than half of original mass.

Find the ratio of the first quantity to the second. 15 minutes, 1 hour

Sum of first 55 terms in an A.P is 3300 . Find its 28th term.

A body moves with a uniform acceleration of 0.5 m//s^(2) . If its initial velocity is 20 m//s , find its velocity after 6 seconds.

Diagonals of rhombus are 12 cm and 16 cm. Find its side.