Physics
Flemings ”Left hand Rule” is associated with the effect of
Electric field on current
Magnetic field on magnet
Electric field on magnet
Magnetic Field on current
Magnetic Field on current
Flemings ”Left hand Rule” is associated with the effect of magnetic field on current.
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Radian is used to measureA. Temperature
B. Intensity of Flame
C. Angle
D. Solid Angle
The sky appears blue due to
A. Rayleigh scattering
B. Mie scattering
C. Back scattering
D. None of the above
Vehicles use ________ to see the objects coming from behind.
A. Concave lens
B. Convex lens
C. Convex mirror
D. Concave mirror
Which elements are malleable and good conductors of electricity?
A. Tin and silver
B. Iodine and silver
C. Tin and xenon
D. Iodine and xenon
The colour of the ocean appears to be blue because the sunlight falling on it is
A. Reflected
B. Refracted
C. Diffracted
D. Scattered
Mach number is used in connection with the speed of
A. sound
B. aircraft
C. spacecraft
D. ships
The device which converts AC to DC is
A. Oscillator
B. Amplifier
C. Rectifier
D. None of these
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