The rotational K.E of the hoop is equal to the______________?

A. Its translational k.e
B. Half than its translational k.e
C. Double than its translational k.e
D. Four times than its translational k.e

A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?

A. K.e hoop = k.e disc
B. K.e hoop = 2k.e disc
C. K.e hoop = 1/2k.e disc
D. K.e hoop = 4k.e disc

The critical speed of an artificial satellite is_______________?

A. 8 kms-1
B. 8.1 kms-1
C. 7.9 kms-1
D. 8 ms-1

The unit of force is _________ and its symbol is ______________ Which is the correct pair ?

A. Newton, n
B. Newton, n
C. Newton, n
D. Newton, n

Number of significant figures in 0.0173 is_________________?

A. 3
B. 4
C. 5
D. 2

Smaller the least count of the instrument more is the measurement________________?

A. Accurate
B. Precise
C. Accurate and precise
D. None of these

The dimension of force is__________________?

A. Mlt-1
B. Mlt-2
C. Ml-1t
D. Ml-1t-2

ML-1 T-2 is the dimension of_______________?

A. Force
B. Pressure
C. Momentum
D. Energy

Dimensional analysis is helpful for__________________?

A. Deriving a possible formula
B. Checking the homogeneity of a physical equation
C. Verification of laws
D. Only a and b are correct

Which equation is not dimensionally correct ?

A. E=mc2
B. Vf=vi+at
C. S=vt2
D. S=1/2at2