Laws of Motion — Physics STD 11 Science — Question

Given below are some examples of wave motion. State in each case if the wave motion is transverse, longitudinal or a combination of both:
(a) Motion of a kink in a longitudinal spring produced by displacing one end of the spring sideways.
(b) Waves produced in a cylinder containing a liquid by moving its piston back and forth.
(c) Waves produced by a motorboat sailing in water.
(d) Ultrasonic waves in air produced by a vibrating quartz crystal.

A pendulum clock gives correct time at the equator. Will it gain time or loose time as it is taken to the poles?

Is it correct to say the “linear combinations of S.H.M. is a S.H.M."?

Consider the situation described in the previous problem. Show that the force on the sphere due to the light falling on it is the same even if the sphere is not perfectly absorbing.

Which working substance is used in reversible Carnot engine?

What is pitot tube? State the principle on which it is based.

How many wavelengths of Kr⁸⁶ are there in one meter?

Two satellites of equal masses are orbiting at different heights. Will their moments of inertia be the same or different?

What is the Bernoulli's principle for the horizontal tube?

Two persons of equal mass are standing at some distance from each other on a flat field of ice with ice skates tied to their feet. Arope is tied around the waist of one person. If the second person pulls the rope towards himself, what will be the effect of the speed of both the people?