The waves which are used for line of sight (LOS) communication are called:...? Mcqs

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The waves which are used for line of sight (LOS) communication are called:...?

(A) Space waves
(B) Cable waves

(C) Antenna waves
(D) None of these

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Layer of atmosphere which separates stratosphere and troposphere is known as...?

(A) Tropo-pause
(B) Mesopause

(C) Stratopause
(D) Thermopause

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Vitamins were discovered by__________...?

(A) Moesley
(B) Chadwick

(C) Frank Whittle
(D) Casimir Funk

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Which of the following would be most useful in testing if a substance is either an acid or a base...?

(A) pH indicator strips
(B) Acid-base indicator

(C) Litmus paper
(D) Filter paper

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The Velocity of light in a diamond is (whereas the refractive index of a diamond with respect to vacuum is 2.5)...?

(A) 5x10^8m/s
(B) 2.5x10^8m/s

(C) 1.2x10^10m/s
(D) 1.2x10^8m/s

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The strength of wave action depends on all these EXCEPT:...?

(A) Currents in the sea
(B) Wind strength

(C) Depth of coastal water
(D) Height of waves

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Who keeps blind snakes as their pets...?

(A) Woodcutters
(B) Eagles

(C) Parrots
(D) Owls

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How many calories are there in 1 gram of carbohydrate...?

(A) 2
(B) 2

(C) 4
(D) 10.25

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What is the temperature at the center of the Sun...?

(A) 6 million °C
(B) 10 million °C

(C) 15 million °C
(D) 20 million °C

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The Shortest (smallest) bone in human body is___________...?

(A) Stapes
(B) Tibia

(C) Femur
(D) Humerus

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