Q. The amount of thermal energy required to change the solid to liquid state, or vice versa, without a change in temperature is known as

View solution

Q. The thermal energy required to melt a solid with more mass is

View solution

Q. The types of latent heat are

View solution

Q. If lf is specific latent heat of fusion and m is the mass of the solid, then the latent heat of fusion(Lf) is equal to

View solution

Q. If lv is specific latent heat of vaporization and m is the mass of the liquid then the latent heat of vaporization(Lv) is equal to

View solution

Q. Large masses such as mass of a truck is usually measured in

View solution

Q. The weight of a body W can be calculated by the equation

View solution

Q. Small masses such as mass of a pen is usually measured in

View solution

Q. The mass of an object can be measured easily by using

View solution

Q. Object fall to the ground after we throw them up in the air is due to force called

View solution

Q. The more mass an object has, the gravitational force acting on it is

View solution

Q. The weight of an object depends on the strength of the

View solution

Q. The gravitational force acting per unit mass on the object is known as

View solution

Q. The region surrounding the Earth where gravity is experienced is known as

View solution

Q. The SI unit of mass is

View solution

Q. Mass is the property of a body that can not be changed by its

View solution

Q. If the acceleration of a free fall on the Moon is 1.6 ms⁻² and on Earth is 10 ms⁻². A rock has a mass of 10 kg on Earth. Its weight on Moon will be

View solution

Q. A measure of the amount of matter or substance in a body is known as

View solution

Q. Due to Earth's gravitational pull, 1 kg mass experiences force of

View solution

Q. On Moon the gravitational field strength is about

View solution