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Electricity GK, Lenses and Mirrors GK, Light and Sound GK, Measurements GK, Nuclear Science GK, Space GK,

Multiple Choice Questions on Physics GK

Question 1 : Why the Planets do not twinkle?

A. Because they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable

B. Because they are very far away from the earth resulting in decrease in intensity of light

C. Because their distance from the earth does not change with time

D. Because they emit light of a constant intensity

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Question 2 : Why the colour of the ocean appears blue?

A. Because the sunlight falling on it is scattered.

B. Because the sunlight falling on it is absorbed.

C. Because the sunlight falling on it is refracted.

D. Because the sunlight falling on it is reflected.

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Question 3 : Why light is said to have a dual nature?

A. None

B. It has both interference and polarisation effect

C. It exhibits the properties of reflection and diffraction

D. It exhibits the properties of wave and particles

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Question 4 : Why impurities are added to a semi-conductor?

A. To increase its electrical resistivity

B. To increase its electrical conductivity

C. To enables it to withstand higher voltages

D. To increase its life

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Question 5 : Who was the indias first man/women in the space?

A. Sunita williams

B. Kalpana chawla

C. Rakesh sharma

D. Rajesh Sharma

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Question 6 : Who speculated that our universe is expanding?

A. Copernicus

B. Galilio

C. Edwin Hubble

D. Newton

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Question 7 : Who provided the first information regarding the Black Hole?

A. S. Chandrasekhar

B. Rutherford

C. Herman Bondy

D. Copernicus

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Question 8 : Who invented Transformer?

A. C.R.T Wilson

B. Parsons

C. Einstein

D. Faraday

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Question 9 : Who invented the Wireless telegraphy, radio and wireless massage?

A. Einstein

B. Galileo

C. A. Fermi

D. G. Marconi

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Question 10 : Who invented the Motor Vehicle?

A. Asteen

B. Parsons

C. Edison

D. James Watt

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Question 11 : Who invented The Law of Refraction of Light?

A. Alexander Volta

B. Pascal

C. Einstein

D. Newton

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Question 12 : Who invented Scooter?

A. None

B. William Gas Cogin

C. Harison & Kaitlin

D. G. Brousa

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Question 13 : Who invented Electron Microscope ?

A. Leeuwenhook

B. Robert Koch

C. Knoll and Ruska

D. Galileo

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Question 14 : Who invented atomic bomb?

A. J. Robert Oppenheimer

B. Richard Drew

C. Pascal

D. Berthelot

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Question 15 : Who invented Acetylene Gas?

A. Ohain

B. Richard Drew

C. Pascal

D. Berthelot

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