What is the wavelength of visible spectrum:...? Mcqs

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What is the wavelength of visible spectrum:...?

(A) 1300-3000A
(B) 3900-7600A

(C) 7800-8000A
(D) None of these

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Latest MCQs

Which of the following has the largest wavelength...?

(A) visible light
(B) x-rays

(C) infrared light
(D) ultraviolet radiation

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Latest MCQs

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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Latest MCQs

Scientific reasoning based on “if-then” statement called...?

(A) Inductive reasoning
(B) Deductive reasoning

(C) Scientific reasoning
(D) None

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Latest MCQs

At what temperature does silver melt...?

(A) 275 °C
(B) 327 °C

(C) 961.8 °C
(D) 100 °C

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Which bird has legs but can’t walk ...?

(A) Loons
(B) Grebes

(C) Hummingbirds
(D) None of these

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Which are mixtures in which the solute particles are dispersed...?

(A) Solutions
(B) Compounds

(C) Suspensions
(D) None

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A radioactive element emits a particle from the nucleus of one of its atoms. The particle comprises two protons and two neutrons. The name of this process is called...?

(A) α-emission
(B) β-emission

(C) γ-emission
(D) Nuclear fission

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The audio signals of TV are _____________...?

(A) Amplitude modulated
(B) Frequency modulated

(C) fixe modulated
(D) Velocity modulated

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What is the smallest unit of life...?

(A) Cell
(B) Atom

(C) Tissue
(D) Organ

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