An optical instrument which is used measure the properties of visible light is called...? Mcqs

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An optical instrument which is used measure the properties of visible light is called...?

(A) Microscope
(B) Telescope

(C) Spectroscope
(D) Oscilloscope

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Loss of electron and proton is called...?

(A) Oxidation reaction
(B) Reduction reaction

(C) Redox reaction
(D) All of these

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Evaporation can occur at ____...?

(A) Freezing point
(B) Melting point

(C) Boiling point
(D) All temperatures

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Short-sightedness can be corrected by using ___________...?

(A) Convex lens
(B) Concave lens

(C) Convex-concave lens
(D) Concave-convex lens

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Water enters the root hair by ____...?

(A) Diffusion
(B) Osmosis

(C) Active Transport
(D) Transpiration

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What fear do people with haphephobia have...?

(A) fear of dogs
(B) fear of helicopters

(C) fear of touch
(D) fear of houses

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Analytical solutions to Quadratic equations were introduced by__________...?

(A) Al-Khawarzimi
(B) Al-haitham

(C) IsasacNewton
(D) Pythagoras

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Electronics comprises the _________...?

(A) Physics
(B) Engineering

(C) Technology
(D) All of these

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Laughing gas has chemical composition of following two elements ...?

(A) Nitrogen + Hydrogen
(B) Nitrogen + Carbon

(C) Nitrogen + Oxygen
(D) Oxygen + Carbon

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Which one of the following is not a true snake________ ...?

(A) Blink snake
(B) Glass snake

(C) Sea snake
(D) Tree snake

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