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.Management Sciences
Category: Physics Mcqs
A body in equilibrium__________________?
A. Always at rest
B. Always in uniform motion
C. May be at rest or in uniform motion
D. May be at rest or in motion
In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?
A. Becomes double
B. Remains same
C. Becomes half
D. First increases then decrease because of the curvilinear graph
Velocity of fluid increases where the pressure is________________?
A. Low
B. High
C. Constant
D. Changes continuously
Zero error of the instrument is a type of_________________?
A. Random error
B. Personal error
C. Systematic error
D. Classified error
When the speed of a moving body is doubled then___________________?
A. its K.E is doubled
B. its acceleration is doubled
C. its P.E is doubled
D. its momentum is doubled
On loading the prong of a tuning form with wax its frequency____________________?
A. increases
B. decreases
C. remains unchanged
D. may increase or decrease
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