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.Management Sciences
Category: Physics Mcqs
To reduce the uncertainty in the timing experiment______________?
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A. Highly precise instrument
B. Conduct at room temperature
C. Count number of vibration
D. Both a and C
In the nucleus of uranium, the number of neutrons will be _____________?
A. 92
B. 235
C. 143
D. Different for different isotopes
If a material object moves with speed of light its mass becomes ________________?
A. equal to its rest mass
B. double of its rest mass
C. infinite
D. zero
The fission chain reaction in a nuclear reactor can be controlled by introducing _______________?
A. Iron rods
B. Graphite rods
C. Cadmium rods
D. Platinum rods
An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?
A. greater than one meter
B. less than one meter
C. one meter
D. a foolish question
CFC is used in _________________?
A. Refrigeration
B. Aerosol spray
C. Plastic foam industry
D. All of above
Which one of the following cannot be polarized ?
A. radio waves
B. ultraviolot rays
C. X-rays
D. sound waves
At constant temperature the graph between V and 1/P is_____________?
A. Hyperbola
B. Parabola
C. A curve of any shape
D. A straight lime
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