Physics
If a body moves with a constant speed in a circle
No work is done on it
No force acts on it
No acceleration is produced in it
Its velocity remains constant
Its velocity remains constant
If a body moves with a constant speed in a circle its velocity remains constant.
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Flemings ”Left hand Rule” is associated with the effect of
A. Electric field on current
B. Magnetic field on magnet
C. Electric field on magnet
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The sky appears blue due to
A. Rayleigh scattering
B. Mie scattering
C. Back scattering
D. None of the above
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B. Convex lens
C. Convex mirror
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Which elements are malleable and good conductors of electricity?
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B. Iodine and silver
C. Tin and xenon
D. Iodine and xenon
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B. Refracted
C. Diffracted
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Mach number is used in connection with the speed of
A. sound
B. aircraft
C. spacecraft
D. ships
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