The force that opposes the motion of moving objects is called:
Frictional force that opposes motion of object is called
If 2 resistors of 5kO and 7kO are connected in series across a 15V battery, then current flowing through each of resistance should be
A train moves with a uniform velocity of 27 kmh-1 for 15 s. distance covered by it is
Equivalent resistance in a parallel resistance circuit when resistances are 2 O, 3 O and 6 O, and V = 6 V is
Resistors that have set resistance, are known as
Density of 500 g of stone when its volume is 200 cm-3 is
Critical angle of water when refracted angle is 90° and refractive index for water and air is 1.33 and 1 is
If a stone of mass 500 g strikes ground with velocity of 20 ms-1 then kinetic energy at that point is
Force that produces an acceleration of 1 ms-2 in a body of mass of 1 kg is called
Value of gravitation on moon's surface is 1.6 ms-1. weight of a 100 kg body on moon's surface will be
Force of gravity acting on a body is known as its
A bus weighing 12kN has speed of 20 ms-1. Its kinetic energy is
If 2 resistors of 5kO and 7kO are connected in series across a 15V battery, then potential difference across each of resistance should be