Physics Quiz 2

One of the most common examples of Pascal's Law is the hydraulic braking system present in automobiles. According to this law when pressure is applied on fluid it travels equally in all directions so that uniform braking action is applied on all four wheels.

Crooks glass is used for sunglasses. Crooks glass mainly comprises of cerium oxide (CiO₂), which absorbs the ultraviolet radiation from the sun.

Solar energy is converted into chemical energy during Photosynthesis. Photosynthesis is the conversion of solar energy (light energy from the Sun) into stored chemical energy (a form of glucose or other organic molecules).

Farad is the unit of electrical capacitance (ability to hold an electric charge), in the MKS system of physical units. It is named in honour of the English scientist Michael Faraday.

Due to inertia of motion, as long as the ball stays in the air, both the boy and the ball move in the same direction which cause the ball falls into his hand.

Anemometer is an instrument used to measure the force, pressure and velocity (speed) of the wind. It is an important tool for meteorologists, who study weather patterns.

X-ray inspection systems are mostly capable of detecting defects and contaminants in precious stones and diamonds.

Longitudinal waves such as sound cannot travel through the vacuum as they need a medium to travel. Light and other types of electromagnetic waves are considered transverse waves. These waves travel through a vacuum as they do not need a medium for their propagation.

Spectacles used for viewing 3D films have Polarised lenses. They have a special film which is used to view 3D films. Polarised 3D Spectacles are the kind typically used in modern movie theatres.

A transformer works on the principle of mutual induction. The transformer's core works to direct the path of the magnetic field between the primary and secondary coils to prevent the waste of energy. Once the magnetic field reaches the secondary coil, it forces the electrons within it to move, creating an electric current via electromotive force (EMF).