### Units and Measurement

Units And Measurement

**Physics**subject

**,**Chapter

**Units And Measurement**knowledge.

Light year is a unit of

The dimensions of kinetic energy is

Absolute error of the measurement is

A force F is given by F = at + bt², where t is time. What are the dimensions of a and b?

The volume of a cube in m³ is equal to the surface area of the cube in m². The volume of the cube is

Which of the following pairs has the same dimensions?

In a system of units if force (F), acceleration (A) and time (T) are taken as fundamentals units then the dimensional formula of energy is

A particle starting from the origin (0, 0) moves in a straight line in the (x, y) plane. Its coordinates at a later time are the path of the particle makes with the x-axis an angle of

If force (F), work (W) and velocity (v) are taken as fundamental quantities. What is the dimensional formula of time (T)?

The dimensions of kinetic energy is same as that of

Physical quantities are

Resolution is

The atmospheric pressure is 106 dyne/cm². What is its value in SI unit?

Which one of the following represents the correct dimensions of the coefficient of viscosity?

In SI system the fundamental units are

Which of the following groups have different dimensions?

Which of the following units denotes the dimensions [ML2/Q2], where Q represents the electric charge?

Electron volt is a unit of

What is the dimensional formula of magnetic field?

ML-1T -2 is the dimensional formula of

Your score is

## Try other Chapter

- Chapter 1: Physical World.
- Chapter 3: Motion in a Straight Line.
- Chapter 4: Motion in a Plane.
- Chapter 5: Laws of Motion.
- Chapter 6: Work, Energy and Power.
- Chapter 7: System of Particles and Rotational Motion.
- Chapter 8: Gravitation.
- Chapter 9: Mechanical Properties of Solids.
- Chapter 10: Mechanical Properties of Fluid.
- Chapter 11: Thermal Properties of Matter.
- Chapter 12: Thermodynamics.
- Chapter 13: Kinetic Theory of gases.
- Chapter 14: Oscillations.
- Chapter 15: Waves.