Light travelling in a straight line ______ when it strikes the surface of another medium....? Mcqs

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Light travelling in a straight line ______ when it strikes the surface of another medium....?

(A) Reflects
(B) Refracts

(C) Diffracts
(D) Absorbs

Latest MCQs

Who among the following discovered the sunspots...?

(A) Johannes Kepler
(B) Einstein

(C) Copernicus
(D) Galileo

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Which of the following atmospheric layers help in radio communication...?

(A) Exosphere
(B) Ionosphere

(C) Troposphere
(D) Stratosphere

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When a patient’s immune system becomes reactive to a drug, this is an example of...?

(A) Super infection
(B) Drug resistance

(C) Allergy
(D) none

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All of the following foods contain carbohydrates except....?

(A) Rice
(B) Meat

(C) Potato
(D) Milk

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The brightest colour emitted by the sun is:...?

(A) Violet
(B) Yellow-Green

(C) Green- Blue
(D) Red

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A man can survive without food for at least...?

(A) One month
(B) Two month

(C) Three month
(D) Four month

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Which of the following glands secrete tears...?

(A) Lachrymal
(B) Pituitary

(C) Thyroid
(D) Pancreas

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In a photocell light energy is converted into...?

(A) potential energy
(B) chemical energy

(C) heat energy
(D) electrical energy

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Comets are made mostly of ______________...?

(A) Ice and dust
(B) Dust and lights

(C) Ice, dust and lights
(D) All of the above

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