Related InterviewSolutions

• Question 24How does the force of attraction between the two bodies depend upon their masses and distance between them? A student thought that two bricks tied together would fall faster than a single one under the action of gravity. Do you agree with his hypothesis or not? Comment.
• Question 7 (c) A 8000 kg engine pulls a train of 5 wagons, each of 2000 kg, along a horizontal track. If the engine exerts a force of 40000 N and the track offers a friction force of 5000 N, then calculate: (c) the force of wagon 1 on wagon 2.
• If the linear density of a rod of length L varies as λ = kx where k is a constant and x is the distance of any point from one endplaced at origin. The distance of centre of mass from x = 0 is
• A body sinks when immersed in kerosene. What relation can be established between the density of body and kerosene?
• If a person drops a pebble in a well of 100 m depth, after how much time (in seconds) will he be able to hear the sound?Given:Acceleration due to gravity, g=10 ms−2Speed of sound in air, v=343 ms−1
• The current supplied by the battery in the circuit shown in figure is
• The device which use Pascal law is
• Time period of a sound wave is defined as:
• If the density of the water is equal to the density of ship then does it sink or float?
• A magnet of length L and magnetic moment M is made into two halves A and B, perpendicular to its axis. One piece A is bent into a semicircle of radius R and is joined to the other piece at the poles as shown in the figure below. Assuming that the magnet is in the form of a thin wire initially .Find the magnetic moment of the resulting magnet.