1111. The unit of Planck’s constant h i same as that of :

A. Energy
B. Work
C. Linear Momentum
D. Angular Momentum *

1112. Which of the following quantity is deimensionless?

A. Gravitational constant
B. Plank’s Constant
C. Power of lens and gas constant
D. Steradian *

1113. The dimensions of the quantities is one of the following pairs are the same .Identify the pairs:

A. Torque and work *
B. Angular Momentum and work
C. Energy and Young’s modulus
D. Light year and time

1114. Which of the following is the smallest unit ?

A. Millimeters
B. Angstrom
C. Fermi *
D. Metre

1115. If unit of lenght ,mass and time each be doubled , the unit of work done is increased by :

A. 4 Times
B. 6 Times
C. 8 Times
D. 2 Times *

1116. The rate mistakes in the estimation of mass and speed are 3% and 4% separately . The following is the maximum measurement error for kinetic energy:

A. 11% *
B. 10%
C. 8%
D. 9%

1117. If current flowing in a conductor changes by 1% then power will change by:

A. 10%
B. 1%
C. 100%
D. 2% *

1118. Total mass when silver coins are added to box as 2.2 kg, 0.01001 kg and0.01002 kg Correct to appropriated precision:

A. 2.3 Kg
B. 2.2 Kg *
C. 2.43 Kg
D. 2.67 Kg

1119. The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is :

A. Mass *
B. Length
C. Time
D. None

1120. The percentage errors in the measurements of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimate of the kinetic energy obtained by measuring mass and speed :

A. 11%
B. 8% *
C. 5%
D. 1%