Physics Questions

The centre of the reflecting surface of a spherical mirror is a point called the ___.

Which type of electromagnetic radiation has the shortest wavelength?

The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called

An object weighing 20 kg is raised through a height of 2 m. What will be the work done by the force of gravity in this process?

Which among the following is not an environment friendly mode of producing electricity?

Consider a planet whose mass and radius are both twice the mass and radius of Earth. The acceleration due to gravity on the surface of the planet is 'n' times that on Earth. The value of n is:

An object having a mass 'm' moving with a velocity 'v' possesses a kinetic energy 'K'. If its velocity is doubled, its kinetic energy will become:

 If an object travels in a straight line and its velocity increases or decreases by equal amounts in equal intervals of time, then the acceleration of the object is said to be ______________.