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Science Quiz | General Knowledge Multiple Choice Questions and Answers

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General Science multiple choice questions and answers for exams like ssc, upsc, cds, nda, rrb, psc page contain 5 questions. Each General Knowledge quiz question has 4 possible answers. Choose your answer and check it with the given correct answer.
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(46) Which of the following principles is associated with Optical fibre ?
[A] Scattering
[B] Interference
[C] Total internal reflection
[D] Refraction

Comment

Answer: Option [C]
(47) Which type of coal produces the greatest energy ?
[A] Coal
[B] Anthracite
[C] Lignite
[D] Bituminous

Comment

Answer: Option [B]

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(48) Ultra violet radiations of the Sun do not reach the earth because of the layer of :
[A] Ozone
[B] Carbon di-oxide
[C] Nitrogen
[D] Ammonia

Comment

Answer: Option [A]
(49) Which metal is used for the manufacturing of heating elements used in electric iron ?
[A] Chromium
[B] Nichrome
[C] Lead
[D] Nickel

Comment

Answer: Option [B]
(50) Which device is used to measure the speed of wind ?
[A] Altimeter
[B] Anemometer
[C] Calorimeter
[D] Chronometer

Comment

Answer: Option [B]

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