Laser in Physics Multiple Choice Questions (MCQ) PDF Download

MCQ 1: "An electron can never be found inside nucleus", this statement is according to

1. Heisenberg uncertainty principle
2. Bernoulli's equation
3. bohrs model
4. both a and b

MCQ 2: The potential energy source for inducing fusion reaction is

1. x-ray
2. laser
3. ultraviolet
4. microwave

MCQ 3: Principle of laser is

1. spontaneous absorption
2. simulated emission
3. induced emission
4. both b and c

MCQ 4: For an electron to be confined to a nucleus, its speed relative to the speed of light would have to be

1. equal
2. less
3. greater
4. equal to infinity

MCQ 5: Electron in the atom are held in the atom due to

1. coulombs force
2. nuclear force
3. atomic force
4. both a and b