Kinetic Theory — Physics STD 11 Science — Question

A simple pendulum is mounted inside a space craft. What should be its time period of oscillation?

If a usual made of porous walls is filled with a mixture of two gases and it is kept in a vaccum chamber, then why does the lighter gas come out first? Write the reason.

Give dimensions of Solar Constant and Water Equivalent.

What is the moment of inertia of a body relative to the axis passing through its center of mass?

When a shaving brush is taken out of water its hairs cling together. Why?

The calorie ia defined as 1cal = 4.186 joule. Why not as 1cal = 4J to make the conversions easy?

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?

Why is there difficulty in filling mercury in the capillary tube?

Which substance has maximum value of specific heat?

A particle is in linear simple harmonic motion between two points, A and B, 10cm apart. Take the direction from A to B as the positive direction and give the signs of velocity, acceleration and force on the particle when it is: At the end A.