Physics GK Quiz

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Q91. Sound waves do not show the phenomenon of
(a) refraction
(b) interference
(c) diffraction
(d) polarisation

Q92. In a magnetic field, the direction of motion of a current carrying conductor is given by
(a) Maxwell's right hand rule
(b) Lenz's rule
(c) Flemings left hand rule
(d) Kirchoff's law

Q93. A metal-semiconductor junction diode is called _______
(a) Schottky diode
(b) Photo diode
(c) Tunnel diode
(d) P-N Juction diode

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