When the angle of refraction is 90° and the refractive index for water is 1. 33, the critical angle is ______...? Mcqs

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When the angle of refraction is 90° and the refractive index for water is 1. 33, the critical angle is ______...?

(A) 48.8°
(B) 50.0°

(C) 49.1°
(D) 51.0°

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Who was the first to measure the earth’s radius...?

(A) Galileo
(B) Copernicus

(C) Ptolemy
(D) Eratosthenes

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A solution that contain solid solute into liquid solvent is called...?

(A) Solids in gas
(B) Liquids in solids

(C) Solids in solids
(D) Solids in liquid

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If a body of mass 1 kg is moving with velocity of 1 m/sec. then K.E of the body will be...?

(A) 3 Joules
(B) 4 Joules

(C) 1/2 Joule
(D) 1 Joule

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Which of the following cutting conditions greatly affects the tool wear...?

(A) Cutting speed
(B) Feed

(C) Depth of cut
(D) None of the above

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Which of the following regulates the Metabolism Of Sugar...?

(A) Thyroid
(B) Insulin

(C) Glucose
(D) None of These

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Cell organelle found in animal cell and help intracellular digestion...?

(A) Lysosome
(B) Ribosomes

(C) Mitochondria
(D) Golgi apparatus

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In acidic formulation lactic acid produced from ______...?

(A) Pyruvic acid
(B) Acetic acid

(C) Citric acid
(D) Glyceric acid

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Equator passes through one of these countries___________...?

(A) Saudi Arabia
(B) Italy

(C) Japan
(D) None

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In which mode heat transfer in solids...?

(A) Convection
(B) Radiation

(C) Conduction
(D) None

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