Physics Questions

Consider a hypothetical planet with a mass equal to half that of Earth and radius is one-third that of Earth. If g is the acceleration due to gravity on Earth, the acceleration due to gravity on the planet will be

The second equation of motion gives the relation between

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

If the acceleration due to gravity on the surface of earth is g, then the acceleration due to gravity on the surface of a planet whose mass is double that of earth and radius is same as that of earth is _________________.

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

Which type of electromagnetic radiation has the shortest wavelength?

If the distance travelled by an object is zero, then the displacement of the object

What is the resistance (in Ω) of an electrical component if a current of 0.4 A passes through it on application of 12 V of potential difference across it?