Physics
Chapter No 1
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#25 Which expression does not have second as its basic units?
A) 1/ frequency
B) Capacitance x resistance
C) 
D) 
#26 Which expression could be correct for the velocity of ocean waves in terms of 's' density of sea water, 'g' the acceleration of free fall 'h' the depth of ocean and wave length?
A) 
B) 
C) 
D) 
#27 Which pairs includes a scalar quantity and a vector quantity.
A) K.E and momentum
B) P.E and work
C) Velocity and acceleration
D) weight and force
#28 The % uncertainty in a reading 2.50m is
A) 0.2%
B) 0.1%
C) 0.5%
D) 0.4%
#29 The velocity "v" of a particle at time "t" is given by
the dimension of "c" is same as
A) Velocity
B) Acceleration
C) Time
D) Length
#30 Plank's constant has the dimension of
A) Energy
B) Momentum
C) Frequency
D) Angular momentum
#31 The percentage uncertainty in the measurement of length and mass of cube are 2% and 3% The percentage uncertainty in volume will be
A) 12%
B) 9%
C) 5%
D) 6%
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