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

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%