In the optic fiber, the core is made of glass or plastic of relatively ______...? Mcqs

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In the optic fiber, the core is made of glass or plastic of relatively ______...?

(A) Zero refractive index
(B) Low refractive index

(C) High refractive index
(D) No refractive index

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A form of energy which flows from a region of high temperature to a region of low temperature is known as...?

(A) Heat
(B) Light

(C) Sound
(D) Work

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Which animal can live longest without water...?

(A) Elephant
(B) Cat

(C) Rat
(D) Camel

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_________ is the layer wherein most meteors are incinerated before reaching the surface....?

(A) Troposphere
(B) Stratosphere

(C) Mesosphere
(D) Ionosphere

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Which one of the following is not a fraction of crude oil...?

(A) Petroleum coke
(B) Ammonia

(C) Fuel oil
(D) Paraffin wax

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Rate of evaporation of a liquid can be increased by _____...?

(A) Increasing humidity
(B) Decreasing temperature

(C) Increasing its boiling point
(D) Decreasing atmospheric pressure

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An object which allows some light to travel through it or allows light to pass through partially is called _____...?

(A) Transparent
(B) Translucent

(C) Opaque
(D) None of these

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People with what blood type can give blood to anyone and are thus called universal donors...?

(A) O-
(B) O

(C) AB+
(D) AB-

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The process of comparing an unknown physical quantity with a known standard quantity of the same kind is called...?

(A) Observation
(B) Measurement

(C) Experimentation
(D) Calculation

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The first cloned animal was____________...?

(A) Goat
(B) Cow

(C) Rat
(D) Sheep

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