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Science MCQ Questions with answers

Here Important Science MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button or on option itself. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping whatsapp button.

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Learn Science MCQs [Page 1 of Department 5]

2) The Hottest part of Gas Flame is known as –

(A) Blue Zone
(B) Non-Luminous Zone
(C) Luminous Zone
(D) Dark Zone
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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3) Why two thin shirts can keep us warmer than a single thick shirt in winters?

(A) Two shirts becomes thicker, so prevent the transmission of Heat.
(B) Layer of Air act as a conductor of Heat between two thin shirts.
(C) Layer of air act as an insulating medium between two shirts.
(D) Radiation of heat does not take place.
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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5) A Body absorb Maximum amount Heat, when it is–

(A) Black and Rough
(B) Black and Smooth
(C) White and Rough
(D) White and Smooth
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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6) Water is used in Heated water of polyethenes because–

(A) It is easily available.
(B) It is cheap and not harmful.
(C) Its specific heat is more.
(D) Water can be easily Heated.
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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7) Which of the following phenomenon helps to conclude that light is a transverse wave?

(A) Interference
(B) Diffraction
(C) Polarization
(D) Refraction
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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8) The threshold frequency is the frequency below which–

(A) Photocurrent decreases with voltage
(B) Photoelectric emission is not possible
(C) Photocurrent is constant
(D) Photocurrent increases with voltage
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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9) Which of the following produced by the solar energy transformation by using photovoltaic cell?

(A) Light Energy
(B) Electric Energy
(C) Heat Energy
(D) Mechanical Energy
Correct Answer - Option (B)

No Explanation found. Add Explanation and get +2 points.

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10) Which of the following colour shows maximum deviation on passing white light through prism?

(A) White
(B) Red
(C) Violet
(D) Green
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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