Mr. Physics Mentor

 

 When you step on a scale and look down at the number that shows up, what that number is telling you is how much force the mass of your body...

Why metallic handle of a door is colder than the wood of the same door when touched? Because, the transfer of heat from our hand to the meta...

1. Temperature is equal to of substance. A. Average K.E. of molecules B. Individual K.E. of each molecule C. Average P.E of molecules D. Ind...

1. All the bodies expand on heating: a) Variable b) Constantly c) Uniformly d) All of them: 2. Temperature is the: a) Mass contained by the ...

 Matter can be changed from one state to another. For such a change to occur, thermal energy is added to or removed from a substance. Take a...

A truck and a car are moving with equal velocity. On applying brakes, both will stop after a certain distance, then? A. Truck will cover les...