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.Management Sciences
Category: Physics Mcqs
The charged particle enters the uniform magnetic field in such a way that its initial velocity is not perpendicular to the field the orbit will be__________________?
A. a circle
B. a spiral
C. an ellipse
D. helix
A cyclist cycling around a circular racing track skids because_____________?
A. the centripetal force upon him is less than limiting friction
B. the centripetal force upon him is greater than limiting friction
C. the centripetal force upon him is equal to the limiting friction
D. the friction between the tyres of the cycle and road vanishes
The beats frequency (sensible) for a human car is _____________________?
A. 42Hz
B. 7 Hz
C. 256Hz
D. 262Hz
Which branch of science plays an important role in engineering?
A. Biology
B. Chemistry
C. Physics
D. All of these
If one or more of the neutrons emitted during fission cab be used to build up further fission then the reaction is self-sustained and is known as __________________?
A. Fission reaction
B. Fusion reaction
C. Chain reaction
D. Chemical reaction
The branch of science which deals with the properties of matter and energy is called__________?
A. Biology
B. Geography
C. Physics
D. Chemistry
In monochromatic red light a blue book will probably appear to be_________________?
A. black
B. purple
C. green
D. no scientific reasoning available
Maximum frequency in the spectrum from X-ray tube is directly proportional to the______________?
A. Number of incident electron i.e. filament current
B. The kinetic energy of the incident electron i.e. the potential difference through which they are accelerated
C. The soft target which can easily emit electrons
D. All of above are correct
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