Physics
Chapter No 1
Page 2 of 6
#9 3.1416 radian is equal to
A) 150°
B) 60°
C) 180°
D) 120°
#10 The equation of a wave is given by
,
Where v and ω are linear and angular velocities, respectively. The dimension of k is
,A) LT -1
B) L-1
C) T
D) T-1
#11 The ratio of the dimension of plank's constant and that of momentum of inertia is the dimensions of
A) Frequency
B) Velocity
C) Angular Momentum
D) Time
#12 Which of the following is not a unit of energy?
A) W - s
B) kg - m /sec
C) N - m
D) Joule
#13 Dimensional formula ML2T - 3 represents
A) Force
B) Power
C) Energy
D) Work
#14 Which of the following is not correct scientifically?
A) 10 µm
B) 100 nm
C) 10 µmm
D) None
#15 The Uncertainty recorded in the radius of a sphere is 1.2%. The uncertainty in volume of that sphere is
A) 1.2%
B) 2.4%
C) 3.6%
D) 4.8%
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