When a radioactive substance undergoes a beta decay, its<...
When a radioactive substance undergoes a beta decay, its
mass number decreases by 1
atomic number decreases by 1
mass number increases by 1
atomic number increases by 1
Correct answer is D
No explanation has been provided for this answer.
Radio receivers are tuned using ...
The image of an object placed at the center of the curvature of a concave mirror is ...
I. Mass II. Density III. Temperature IV. Nature of substance which of the above affect diffusion...
Optical fibre works on the ...
Which of the following statements correctly defines a simple machine? a device ...