The activity of a radioactive substance depends on
...The activity of a radioactive substance depends on
temperature and purity
temperature and age
purity and age
age, purity and temperature
none of the above
Correct answer is E
No explanation has been provided for this answer.
The value of T in the figure above is ...
Which of the following physical qualities affects the saturated vapour pressure of a liquid?...
The instantaneous value of the induced e.m.f as a function of time is ε = εo sin ωt where εo is ...
A temperature 20°C is the same as...
Which of the following explains the concave meniscus of water in a clean glass tube? the ...