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.Management Sciences
Category: Physics Mcqs
What is the angle of projection for which the range and maximum height become equal ?
0
A. tan-1 ¼
B. tan-1 4
C. tan-1 ½
D. tan-1 2
The effective way to increase the sensitivity of a moving coil galvanometer is to___________________?
A. use a very long and fine suspension
B. use a coil of very large area
C. use a coil with very large number of turns
D. use a very strong magnetic field
The sharpness of resonance is__________________?
A. Directly proportional to the damping force
B. Inversely proportional to the damping force
C. Equal to the square of damping force
D. Equal to the square of damping force
A vector can be multiplied by a number. The number may be_______________?
A. Dimensionless
B. Dimensional scalar
C. Negative
D. All A, B and C are correct
Which one is not correct for a vector A= 2i+2j+3k ?
A. Has direction 45° with an x-axis
B. Has magnitude 2
C. Has magnitude 2 and direction °=45° with a y-axis
D. Has magnitude -2
The radius of geostationary orbit from the centre of the earth is nearly______________?
A. 42000km
B. 36000km
C. 24000 km
D. 18000 km
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