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.Management Sciences
Category: Physics Mcqs
The locus of all points in a medium having the same phase of vibration is called____________________?
A. crest
B. trough
C. wavelength
D. wave front
Gives the definition of metre in terms of wavelength of red cadmium light ___________________?
A. Newton
B. Einstein
C. Michelson
D. Galileo
It is easier to turn a steering wheel with both hands than with a single hand because______________?
A. Accelerating force increases on the wheel
B. Two forces act on the wheel
C. Two hands provide a firm grip
D. The couple acts on the wheel
Electrons_________________?
A. Can exist inside the nucleus
B. Cannot exist inside the nucleus
C. Can exist both inside and outside the nucleus
D. Do not know
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
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