Laws of Motion — Physics STD 11 Science — Question

Which of the following examples represent (nearly) simple harmonic motion and which represent periodic but not simple harmonic motion?

General vibrations of a polyatomic molecule about its equilibrium position.

At the same temperature and pressure, the densities of two diatomic gases are d, and d. What is the ratio of the speeds of sound in these gases?

For the above problem, the direction of the gravitational intensity at an arbitrary point P is indicated by the arrow (i) d, (ii) e, (iii) f, (iv) g.

If the temperature of the sink is increased, what will happen to the efficiency of Carnot engine?

What is the height at which the satellite is to be parked for it to be a geostationary satellite?

List one difference and one similarity between gravitational and inertial mass.

Why an ice box is constructed with a double wall?

Does a gas have just two specific heat capacities or more than two? Is the number of specific heat capacities of a gas countable?

If the body is given a small displacement from the mean position, a force comes in to play which tends to bring the body back to the mean point, this give rise to vibrations. Define phase of a vibrating particle.

State the law of conservation of momentum.