Explanation

In 1928, at St. Mary's Hospital, London, Alexander Fleming discovered penicillin.

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ND30-12-2022

Explanation

 EMT RESCUE 1122 "CPR" related question":

Explanation

Charles Babbage was an inventor from UK.

Charles Babbage is known as the Father of Computer. 

Babbage born: 1791

Babbage died: 1871

AGM 17-12-2022

Explanation

On 21 July 1921, a young surgeon named Frederick Banting and his assistant Charles Best

On 11 January 1922, insulin was first used in the treatment of diabetes

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Explanation

Paul DeBach is the father of biological control

Paul Hevener DeBach was an American entomologist who was a specialist in biological control.

He wrote the influential book Biological Control by Natural Enemies first published in 1974

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Biological control is an environmentally sound and effective means of reducing or mitigating pests and pest effects through the use of natural enemies.

Explanation

In a photographic camera fitted with a convex lens, a real and inverted image is formed on the film. 

Convex lenses (also called converging lenses) always form real and inverted images when the object is placed beyond the focal point.

In a camera, the object (the scene being photographed) is positioned beyond the lens's focal point,

Ensuring that the light rays converge to form a real, inverted image on the film. 

Explanation

A stereoscope is a device for viewing a stereoscopic pair of separate images, depicting left-eye and right-eye views of the same scene, as a single three-dimensional image.

 MUG 11-12-2022

Explanation

We measure sound intensity in units called decibels.

 Also referred to as sound power or sound pressure

MUG 10-12-2022

Explanation

Alessandro Giuseppe Antonio Anastasio Volta was an Italian physicist, chemist.

who is credited as the inventor of the electrical battery and the discoverer of methane.

Explanation

 Alhavi was the first Encyclopedia of Traditional Medicine authored by  Abu Bakr Muhammad zakriya Razi.