Important terms of physics:

 

Important terms of physics:

Atmospheric pressure: The pressure exerted by surrounding air particles in a specific region of the earth is called atmospheric pressure.

Pascal's principle states that when pressure is applied to a liquid, it is transmitted in all directions equally without loss.

Liquid pressure: The pressure of a liquid is directly proportional to its surface, which means the deeper you go in-depth, the higher the pressure will be.

                                                          P= Ῥgh

Upthrust and Buoyancy: When an object is immersed in a liquid, the liquid acts some upward force, this force is called upthrust force, and the phenomenon is called buoyancy.

Elasticity: After removing the deforming force the object will return to its original shape, so this property of an object is called elasticity:

Barometer: It is a device used to measure atmospheric pressure.

Temperature: The average kinetic energy of a body is called temperature.

Heat: The transfer of heat from a cold body to a hot body is called heat.

Internal energy: The sum of kinetic and potential energy is called internal energy.

Thermal expansion: When the rise the temperature of a substance the substance expands due to heating this expansion is called thermal expansion.

Linear thermal expansion: The expansion takes place in a solid linearly is known as linear thermal expansion.

Volume thermal expansion: The volume of a solid also changes with temperature is called volume thermal expansion.

Thermal expansion of liquids: The volume of liquids also changes with a temperature change.

Latent heat: The heat required to change the physical state but not the rise in the temperature of the substance is called latent heat.

Thermometry: The branch of physics that deals with the study of measurement of the temperature of a substance is called thermometry.

Thermal contact: When two objects are thermally contact they can exchange temperature with each other and surrounding.

Conduction of heat: The flow of thermal energy from a hot body to a cold body without transform of matter is called conduction of heat.

Thermal conductivity: it is the ability of a substance to conduct and transfer of heat energy.

Convection of heat: The transfer of heat from one place to another by the motion of the liquid particle is called convection of heat.

Greenhouse effect: The radiation that comes from the other planets and increases the temperature of the earth is called the greenhouse effect.

Radiant energy: The energy emitted from the hot substance and goes to the cold region in the radiant is called radiant energy.

Thermometric property: A certain physical property of matter that increases or decreases uniformly with the rise and fall of temperature is called thermometric property.

Parallel force: The direction of force parallel to each other is called parallel force.

Simple harmonic motion

Oscillatory motion:

Motion of mass attached to a spring.

Simple pendulum

Damping.

Waves and types of waves

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