The phenomenon of radioactivity was first discovered by
The phenomenon of radioactivity was first discovered by
Marie Curve
Sir J.J Thomson
Henn Becquerel
Niels Bohr
Enrico Fermi
Correct answer is C
No explanation has been provided for this answer.
The main difference between between x-rays and \(\gamma-rays\) lies in their...
Which of the following statements is not correct about steel and soft iron? ...
A man standing on a lift that is descending does not feel any weight because ...
What is the decay constant of a radioactive element whose half-life is 3 seconds ...