**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%