11th class Physics unit 1 MCQs
51. Which pair has same dimensions?
a. Force and impulse
b. Work and power
c. Torque and power
d. Momentum and impulse
52. The dimensions of force or centripetal force is:
a. [MLT-2]
b. [ML-2T2]
c. [ML2T2]
d. [MLT-1]
53. The dimensions of light year are that of:
a. Time
b. Velocity
c. Length
d. Force
54. Dimensions of coefficient of viscosity are:
a. [ML-1T-2]
b. [MLT-1]
c. [M-1L-1T-1]
d. [ML-1T-1]
55. The ratio of dimensions of power to work is:
a. 1:T-2
b. 1:T
c. T-2:1
d. T:1
56. The dimension of angular momentum are:
a. [ML2T-1]
b. [MLT-2]
c. [ML-2T-2]
d. [MLT-1]
57. The dimension of the relation √Fxl/m are equal to the dimension of :
a. Acceleration
b. Force
c. Velocity
d. Momentum
58. The dimensions of volume flow rate of fluid are:
a. [L3T2]
b. [LT-1]
c. [L3T-2]
d. [L2T-2]
59. A precise measurement is the one which has:
a. Medium precision
b. Greater precision
c. More % error
d. Less precision
60. The percentage uncertainty in measurement of mass and velocity are 2%and 3%, the maximum uncertainty in the measurement of kinetic energy is:
a. 6%
b. 11%
c. 1%
d. 8%
61. Work has the same dimensional formulas as:.
a. Force
b. Torque
c. Angulara cceleration
d. Momentum
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