Thermal Properties of Matter — Physics STD 11 Science — Question

Write the relationship between co-efficient of volume expansion and co-efficient of linear expansion.

Can the motion of an artificial satellite around earth be taken as S.H.M?

If the velocity of the center of mass of the particle system is zero, then will the velocities of its various particles necessarily be zero?

Do two distinct poles actually exist at two nearby points in a magnetic dipole?

Explain this statement clearly:
“To call a dimensional quantity ‘large’ or ‘small’ is meaningless without specifying a standard for comparison”. In view of this, reframe the following statements wherever necessary:

1. Atoms are very small objects
2. A jet plane moves with great speed
3. The mass of Jupiter is very large
4. The air inside this room contains a large number of molecules
5. A proton is much more massive than an electron
6. The speed of sound is much smaller than the speed of light.

When a wheel is rolling on a level road, what is the direction of frictional force between the wheel and the road?

A car starts accelerating from rest for sometime, maintains the velocity for sometime and then comes to rest with uniform deceleration. Draw V-t graph.

The maximum horizontal range of a projected object is R. What is maximum height it reaches?

Write the dimensional formula of torque.