Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension?

A) Pressure and Young modules
B) Planck constant and Angular momentum
C) Impulse and moment of force
D) Force and rate of change of linear momentum

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Pick out the scalar quantity

A) force
B) pressure
C) velocity
D) acceleration

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Pa(Pascal) is the unit for

A) thrust
B) pressure
C) frequency
D) conductivity

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Rectifiers are used to convert

A) Direct current to Alternating current
B) Alternating current to Direct current
C) high voltage to low voltage
D) low voltage to high voltage

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Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2

A) 0.14 m/s
B) 140 m/s
C) 1.4 km/s
D) 14 m/s

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