Hot Tar and cement moltar is used to externally coat iron and steel pipes to avoid corrosion by soil and other materials.
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
A constant retarding force of 60 N is applied to a body of mass 25 kg moving initially with a speed of 12 m s–1. How long does the body...
When the speed of car is doubled, then what will be the braking force of the car to stop it in the same distance?
Which device is best suited for measuring the temperature inside metallurgical furnaces?
In a charged conductor, where do the electrical charges tend to reside?
A body is thrown upward with an initial velocity of 20m/s. How much time will it take to reach its maximum height. (g=10m/s)
An object of mass ‘m’ be made to fall freely from a height ‘h’. At the start the potential energy is _____ and kinetic energy is ______.
...Which of the following electromagnetic waves are used for detection like Geiger tubes?
The speed of a fast moving electron, having total energy of 2 MeV, is nearly:
A 220 V, 100 W bulb is connected to a 110 V source. Calculate the power consumed by the bulb
