HSC Science Class 11 - Tamil Nadu Board of Secondary Education Question Bank Solutions

Can we measure the temperature of the object by touching it?

Give the sign convention for Q and W.

Define the quasi-static process.

Give the expression for work done by the gas.

What is a PV diagram?

Explain Joule’s Experiment of the mechanical equivalent of heat.

Derive the expression for the work done in a volume change in a thermodynamic system.

An ideal gas is maintained at constant pressure. If the temperature of an ideal gas increases from 100 K to 10000 K then the rms speed of the gas molecules

Which of the following gases will have the least rms speed at a given temperature?

Why moon has no atmosphere?

Write the expression for rms speed, average speed and most probable speed of a gas molecule.

A person standing between two parallel hills fires a gun and hears the first echo after t₁ sec and the second echo after t₂ sec. The distance between the two hills is:

Briefly explain the difference between traveling waves and standing waves.

A fresh air is composed of nitrogen N₂ (78%) and oxygen O₂ (21%). Find the rms speed of N₂ and O₂ at 20°C.

If the rms speed of methane gas in the Jupiter’s atmosphere is 471.8 ms⁻¹, shows that the surface temperature of Jupiter is sub-zero.

Calculate the temperature at which the rms velocity of a gas triples its value at S.T.P. (standard temperature T₁ = 273 K)

A hollow sphere is filled with water. It is hung by a long thread. As the water flows out of a hole at the bottom, the period of oscillation will ____________.

The damping force on an oscillator is directly proportional to the velocity. The units of the constant of proportionality are

When a damped harmonic oscillator completes 100 oscillations, its amplitude is reduced to `1/3` of its initial value. What will be its amplitude when it completes 200 oscillations?

Which of the following differential equations represents a damped harmonic oscillator?