Which of the following phenomena of light are involved in the formation of a rainbow...? Mcqs

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Which of the following phenomena of light are involved in the formation of a rainbow...?

(A) Refraction
(B) Dispersion

(C) Total internal reflection
(D) All of the above

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The study of heavenly bodies is known as_________...?

(A) Astrology
(B) Astronautics

(C) Astronomy
(D) Astrophysics

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When our sun reaches the end of its red giant phase, it will turn into a___________...?

(A) Supernova
(B) White Dwarf

(C) Black Hole
(D) Neutron Star

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How many times the sun is bigger than the size of the earth...?

(A) 69 times
(B) 89 times

(C) 99 times
(D) 109 times

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The protons and neutrons are found in the center of the atom, which is called the _________of the atom...?

(A) Nucleus
(B) Headquarters

(C) Hub
(D) None of These

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If you travel to the Moon your weight will change because:...?

(A) The pull of gravity is weaker there than on Earth
(B) The pull of gravity is stronger there than on Earth

(C) The pull of space is stronger than on earth
(D) The pull of Sun is bigger than on Earth

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Smallest animal is _________...?

(A) Skunk
(B) Gorilla

(C) Tiger
(D) Cat

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Which of the following vitamin is known as Cobalamin...?

(A) vitamin B-1
(B) vitamin B-3

(C) vitamin B-9
(D) vitamin B-12

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In an acidic medium, phenolphthalein is colourless and in a basic medium, it is ____...?

(A) Green
(B) Blue

(C) Yellow
(D) Pink

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The earth’s atmosphere is divided into layers based on the vertical profile of __________...?

(A) Air pressure
(B) Air temperature

(C) Air density
(D) Wind speed

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