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Quiz on Laser in Physics PDF Download eBook
MCQ: The potential energy source for inducing fusion reaction is
- x-ray
- laser
- ultraviolet
- microwave
B
MCQ: The law stating that "force is directly proportional to product of charges and inversely proportional to the square of separation between them" is called
- newton's law
- coulombs law
- gauss's law
- &Ohm's law
B
MCQ: Square coil of side 16 cm having 200 turns rotating in magnetic field of 0.05 T with peak EMF of 12 V will produce angular velocity of
- 47 rad s-1
- 49 rad s-1
- 42 rad s-1
- 48 rad s-1
A
MCQ: During x-ray formation, if the voltage is increased, then
- min wave length decreases
- min wave length increases
- intensity decreases
- intensity increases
A
MCQ: 1 GHz of frequency is equal to
- 107 Hz
- 107 Hz
- 109 Hz
- 10-9 Hz
C