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Oscillatory motion can be termed as the repeated motion in which an object repeats the same movement over and over. In the absence of friction, the oscillatory motion would continue forever; but in the real world, the system eventually settles into equilibrium.

Ex: The movement of a Swing

A diode is a semiconductor device that essentially acts as a one-way switch for current. It allows current to flow easily in one direction but severely restricts current from flowing in the opposite direction.

World Wildlife Fund (WWF) was established in 1961 at Gland in Switzerland.
The Giant Panda was chosen as its symbol.
Its main aim is conservation education and research.

Acoustics is the branch of physics concerned with the study of sound (mechanical waves in gases, liquids, and solids). A scientist who works in the field of acoustics is an acoustician. The application of acoustics in technology is called acoustical engineering.

Negative acceleration is called retardation. If the velocity of a body is decreasing with respect to time, the acceleration is said to be negative. Retardation is the rate of decrease in velocity.

Elasticity refers to that property of an object by virtue of which it regains its original configuration after removal a deforming force.
Example : Rubber band

Pituitary gland

The pituitary gland found at the base of the brain.
Intestine – The intestines are a long, continuous tube running from the stomach to the anus.
Lungs – The lungs are a pair of spongy, air-filled organs located on either side of the chest

Vitamin K- Phylloquinone

Vitamin C – Ascorbic acid

Vitamin A – Retinol

Vitamin D-Calciferol

A bacillus or bacilliform bacterium is a rod-shaped bacterium or archaeon.

Spirillum – Spiral in shape.

Coccus – Spherical, ovoid, or generally round shape

Acidic – Shaped like slightly curved rods or comma-shaped.

The atoms and molecules in gases are much more spread out than in solids and liquids.
They vibrate and move freely at high speeds.
A gas will fill any container, but if the container is not sealed, the gas will escape.
Gas can be compressed much more easily than Solid or liquid.

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