Category: Physics Mcqs

The specially designed semi-conductor diodes used as fast counters in electronic circuits are______________?

A. The light emitting diodes
B. Photo diodes
C. Photo voltaic cell
D. Solar cells.

A. Acceleration
B. Linear acceleration
C. Angular acceleration
D. Direction of motion of the body

A. First
B. Second
C. Third
D. Both 1st and 3rd

A. Semi-conductor becomes conductors
B. Ferromagnetic becomes paramagnetic
C. Paramagnetic becomes diamagnetic
D. Metals become super conductor

A. Line spectrum of atoms
B. Production of x-rays.
C. Diffraction by crystalline solids
D. Photoelectric effect

A. 10 Raised to power 1
B. 10 Raised to power 2
C. 10 Raised to power 3
D. 10 Raised to power -1

Hamad Waves 27/12/2021

A. constructive interference
B. destructive interference
C. beats
D. resonance

A. 6.625x1023N-s
B. 66.25x1023N-s
C. 662.5x1023N-s
D. data is insufficient

A. B-rays
B. X-rays
C. Far infrared
D. Infrared

A. is located on the emitter
B. is located on the base
C. is locate on the collector
D. points form north to south