The fundamental frequency of a guitar is string 220 Hz, the frequency of the second harmonic is...? Mcqs

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The fundamental frequency of a guitar is string 220 Hz, the frequency of the second harmonic is...?

(A) 220 Hz
(B) 440 Hz

(C) 320 Hz
(D) 620 Hz

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Monsoon is caused by____________________...?

(A) Seasonal reversal of winds
(B) Revolution of earth

(C) Movement of clouds
(D) Rise in temperature

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Which is the New & Most Important Culprit damaging the ozone Layer...?

(A) Carbon Dioxide
(B) Chlorofluoro Carbons

(C) Nitrous Oxide
(D) Carbon Monoxide

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Fish is one of the best source of ______...?

(A) Protein
(B) Vitamin

(C) Mineral
(D) Carbohydrate

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The good sources of Vitamin-B Complex are...?

(A) green leafy vegetables
(B) seeds

(C) fresh vegetables and fruits
(D) sea foods

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Titan, a moon of __________ , and Triton, a moon of _________ , have atmospheres mainly of _________....?

(A) Saturn, Jupiter, Hydrogen
(B) Uranus, Neptune, Nitrogen

(C) Saturn, Neptune, Nitrogen
(D) Mars, Venus, Hydrogen

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Kaleidoscope operates on the principle of multiple reflections, where several mirrors are placed at an angel to one another ____...?

(A) 60°
(B) 45°

(C) 30°
(D) 15°

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All Transition Elements are _____...?

(A) Gases
(B) Metals

(C) Nonmetals
(D) Metalloids

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Polyethene is ______...?

(A) Oil
(B) Paper

(C) Plastic
(D) Wood

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Who is Considered as Father of Botany...?

(A) Aristotle
(B) Gregor Joghn Mandle

(C) Theophrastus
(D) Corlous Linnaeous

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