Which of the following substances is magnetic?
(A) Nickel
(B) Aluminum
(C) Bismuth
(D) All of these
Which metal is generally used for making electromagnets?
(A) Copper
(B) Cobalt
(C) Iron
(D) None of these
In what form is heavy water used in a nuclear reactor?
(A) Coolant
(B) Controller
(C) Diluent
(D) Preservative
Which item is used in the fabrication of the transistor?
(A) Silicon
(B) Silver
(C) Aluminum
(D) Copper
X-rays cannot pass through what?
(A) skin
(B) bone
(C) meat
(D) wood
Image formed due to far-sightedness?
(A) posterior to the retina
(B) on the retina
(C) beyond the retina
(D) nowhere
The capacity of a convex lens is diopter, its focus will be different?
(A) 24 cm
(B) 50 cm
(C) 40 cm
(D) 100 cm
What is the minimum distance of clear vision?
(A) 25 cm
(B) 50 cm
(C) 100 cm
(D) Eternal
Who introduced the fourth dimension in physics?
(A) Newton
(B) Niels Bohr
(C) Einstein
(D) None of these
Who discovered the positron?
(A) Chadwick
(B) Anderson
(C) Newton
(D) Galileo
Physics GK Questions - Basic Physics Questions and Answers
Q.Who was the first pre-Socratic philosopher to suggest that matter could neither be created nor destroyed?
[Answer]Show Answer
Q. In 1729 AD, Pieter Van Musschenbroek used the term ‘PHYSICS’ for the first time. What was the subject called so far?
Q. Which Greek philosopher suggested that the material world was composed of four basic elements – air, water, fire and earth?
Q. Who in 1231 was the first to describe the science of optics?
Q. Who was burnt to death for suggesting that the sun might be an ordinary star?
Q. Who in 1643 was the first person to create vacuum above the liquid?
Q. Who in 1786 invented the gold leaf electroscope?
Q. Who encouraged Newton to write his idea for Principia?
Q. Who in 1808 discovered polarization of light and introduced the term ‘Polarization’?
Q. The first scientist to apply scientific reasoning to cosmology was Rene Descartes. What was his theory called?
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