What is the element required for solar energy conversion ______...? Mcqs

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What is the element required for solar energy conversion ______...?

(A) Ultra pure carbon
(B) Silicon

(C) Beryllium
(D) Tantalum

Latest MCQs

The good sources of Vitamin-A are...?

(A) green leafy vegetables
(B) seeds

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

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Quantity of motion contained in a body is called...?

(A) Force
(B) Inertia

(C) Momentum
(D) Gravity

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Growth is provided by________...?

(A) Protein
(B) Minerals

(C) Vitamins
(D) Carbohydrates

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Main constituent in air is ___________...?

(A) Oxygen
(B) Nitrogen

(C) Hydrogen
(D) Helium

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Materials for rain-proof coats and tents owe their water proof properties to________...?

(A) Surface tension
(B) Viscosity

(C) Specific gravity
(D) Elasticity

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The coldest region of the Earth’s atmosphere is__________...?

(A) Exosphere
(B) Thermosphere

(C) Stratopause
(D) Mesopause

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The electromagnetic rays used in radiotherapy to destroy cancer cells are ______...?

(A) Infrared rays
(B) X-rays

(C) Visible rays
(D) Ultraviolet rays

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Which one of the following non-metals is not a poor conductor of electricity...?

(A) Sulphur
(B) Selenium

(C) Bromine
(D) Phosphorus

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In which object, form faint shadows...?

(A) Transparent
(B) Translucent

(C) Opaque
(D) None

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