States of Matter MCQs (Multiple Choice Questions) PDF Download - 130

Liquids have

1. fixed volume but no fixed shape, high density and are incompressible
2. fixed shape but no fixed volume, high density and are incompressible
3. fixed volume but no fixed shape, high density and are compressible
4. fixed volume but no fixed shape, low density and are compressible

When spring or rubber band is released it converts potential energy into

1. Mechanical Energy
2. Electrical Energy
3. Thermal energy
4. Kinetic energy

A fan keeps working for 30 minutes and uses energy of 90000 J, the power consumed by the bulb is

1. 3000 W
2. 50 W
3. 500 W
4. 300 W

Types of waves is/are

1. latitudinal and longitudinal
2. transverse and latitudinal
3. transverse only
4. transverse and longitudinal

If the acceleration and deceleration of an object is zero,

1. force is still acting on it, even if the object is stationary
2. there is no force because there is no acceleration or deceleration
3. there is no force because the object is not moving
4. force is still acting on it because the object is moving with constant velocity