The entire light is reflected into the same denser medium, which is called total...? Mcqs

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The entire light is reflected into the same denser medium, which is called total...?

(A) External reflection
(B) External refraction

(C) Internal reflection
(D) Internal refraction

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The earth revolves around the sun at a speed of__________...?

(A) 18.5 km/sec
(B) 26.6 km/sec

(C) 29 km/sec
(D) 31.9 km/sec

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Most seeds germinate between the temperature...?

(A) 10°C to 15°C
(B) 16°C to 24°C

(C) 25°C to 30°C
(D) 31°C to 35°C

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Which of the following is the largest planet...?

(A) Neptune
(B) Jupiter

(C) Saturn
(D) Mars

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What is the main composition of the sun...?

(A) Oxygen and Ammonia
(B) Hydrogen and Helium

(C) Hydrogen and Oxygen
(D) Methane and Hydrogen

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Ultra Microscopic viruses are the main cause of__________...?

(A) Malaria
(B) Measles

(C) Mumps
(D) Cholera

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Newton metre is a unit of __________....?

(A) Substance
(B) Length

(C) torque
(D) Work

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Which bird eats pebbles for helping digestion by grinding up the ingested food...?

(A) Pigeon
(B) Hen

(C) Ostrich
(D) Owl

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The characteristics that an organism inherits from its parents are called...?

(A) Genes
(B) Cells

(C) Traits
(D) Tissues

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De Broglie extend the wave particle duality to electron in ______...?

(A) 1920
(B) 1922

(C) 1923
(D) 1925

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