Natural radioactivity was discovered by
...Natural radioactivity was discovered by
Marie Curie
Ernest Rutherfor
Henri Becquerel
Enrico Fermi
Correct answer is C
No explanation has been provided for this answer.
A regular spacing or arrangement of atoms in a crystalline material is called ...
Which of the following statements about a moving object is correct? ...
An ammeter connected to an a.c circuit records 5.5. The peak current in the circuit is ...
The electrolyte in the Nickei-iron (Nife) accumulator is ...