Explanation

Heinrich Rudolf Hertz discovered electromagnetic waves in 1887, experimentally confirming James Clerk Maxwell's predictions.

Hertz demonstrated the existence of radio waves, a type of electromagnetic wave, using a simple apparatus.

Explanation

• The drug of choice for treating a newborn with presumed ductal-dependent cyanotic congenital heart disease is Prostaglandin E1
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• Prostaglandin E1 is also known as Alprostadil.
• Prostaglandin E1 (PGE1) is used to keep the ductus arteriosus patent and can be life‐saving in neonates with ductal‐dependent cardiac lesions.
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• EMT RESCUE 1122 MCQ
  
  

Explanation

This wire is called a filament.

The filament is the part of the light bulb that produces light.

Filaments in incandescent light bulbs are made of tungsten

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FIA VU CONSTABLE PAST PAPER 2021

Explanation

Modern technological "sniffers" trained detection dogs are still considered the most effective and versatile method for detecting explosives or gunpowder.

Dogs offer a unique combination of olfactory sensitivity, mobility, and adaptability to various environments and evolving threats. 

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

Researchers discovered the world's deepest known blue hole in Mexico.

The blue hole is named as 'Tam Ja Blue Hole (TJBH). 

Taam Ja' Blue Hole is the deepest known underwater sinkhole in the world, researchers have discovered — and they haven't even reached the bottom yet.

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Explanation

Galileo Galilei was an Italian astronomer, physicist and engineer.

Explanation

James Chadwick is known for his discovery of the neutron in 1932. 

Proton: Protons were discovered by Ernest Rutherford, before neutrons.

Electron: Electrons were discovered by J.J. Thomson, much earlier than protons or neutrons.

Positron: A positron is the antiparticle of an electron, and it was discovered by Carl Anderson in 1932. 

Explanation

Biodiesel is a form of diesel fuel derived from plants or animals and consisting of long-chain fatty acid esters. 

Explanation

Robert Brown discovered Nucleus in: 1831