Choose the correct answer from the given options.
1.The acceleration is directly proportional to:
(a)momentum (b)torque (c)velocity (d)force
2.The force required to move a body along a circular path is called
(a)gravitational force (b)centripetal force (c)centrifugal force (d)torque
3.Scalar quantity have _________ and suitable unit.
(a)magnitude (b)direction (c)both a and b (d) none of them
4.which one is a scalar quantity
(a)Time (b)force (c)velocity (d)acceleration
6.Gravitational acceleration is taken negative for objects moving:
(a)upward (b)downward (c)left direction (d)right direction
7.The study of internal structure of earth
(a)geophysics (b)plasma physics (c)mechanics (d)atomic physics
8.volume,velocity,force,densityare example of:
(a)derived quantity (b)base quantity (c)prefixes (d)none of these
9. 2.00 has :
(a)1sigfig (b)2sigfig (c)3sigfig (d)no sigfig
10.The unit of luminous intensity is:
(a)kelvin (b)candela (c)mole (d)ampere
11. Coefficient friction between tyre and road is:
(a)0.2 (b)0.6 (c)0.8 (d)1
12.Evaporation occurs at:
(a)Freezing point (b)Boiling point (c)Melting point (d)All temperatures
