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.Management Sciences
Category: Physics Mcqs
The unit of coefficient of linear expansion or volume expansion is__________?
A. K
B. K-1
C. K -2
D. none
Random errors can be reduced by_______________?
A. Taking zero correction
B. Comparing the instrument with another more accurate one
C. Taking mean of several measurements
D. All methods explained in A, B and C
Motorcycle safety helmet extends the time of collision hence decreasing the________________?
A. chance of collision
B. force acting
C. velocity
D. impulse
Geothermal energy is a _______________________ source of energy?
A. non-renewable
B. stable
C. renewable
D. none of the above
The bulk properties of materials such as their mode of fracture can be related to their____________________?
A. Polymerization
B. Cleavage
C. Microstructure
D. Dislocation
The value of resistivity for insulator is of the order of____________?
A. 105 ohm metre
B. 106 ohm metre
C. 107 ohm metre
D. 108 ohm metre
In an angular motion, Newton’s second law of motion is_____________?
A. F=ma
B. F=τp/It
C. Στ = I α
D. All above
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