The inner core of an optical fiber is __________ in composition...? Mcqs

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The inner core of an optical fiber is __________ in composition...?

(i) Glass or plastic
(ii) Copper

(iii) Bimetallic
(iv) Liquid

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Some celestial bodies do not have their own heat and light are known as:...?

(i) Stars
(ii) Planets

(iii) Sun
(iv) None of these

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Huge Cloud of gas and dust in universe is called...?

(i) Chromosphere
(ii) Photosphere

(iii) Nebula
(iv) Lonosphere

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Which planet has a similar size as Earth...?

(i) Venus
(ii) Mars

(iii) Uranus
(iv) None of these

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Air is a mixture of _______...?

(i) Solid
(ii) Liquid

(iii) Gas
(iv) None of these

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Isaac Newton gave...?

(i) Law of planetary
(ii) Laws of motion and Laws of Gravitation

(iii) Law of Geomaety
(iv) None of these

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The nonrenewable source of energy is:...?

(i) Wind energy
(ii) Solar energy

(iii) Hydropower
(iv) None of these

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H=100-4t The equation above can be used to model the number of hours h until a gallon of milk held at a temperature of t, in degrees Celsius, goes sour. Based on the model, which of the following is the best interpretation of the number 4 in the equation...?

(i) An increase of 1 degree Celsius will make a gallon of milk go sour 4 hours faster
(ii) An increase of 1 degree Celsius will make 4 gallons of milk go sour 1 hour faster

(iii) An increase of 4 degrees Celsius will make a gallon of milk go sour 1 hour faster
(iv) An increase of 4 degrees Celsius will make a gallon of milk go sour 4 hours faster

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Far Sightedness can be corrected by:...?

(i) Convex lens
(ii) Concave lens

(iii) Bi Focal lens
(iv) None of these

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The theory about the beginning of the universe by a huge explosion is called...?

(i) Binary
(ii) Black Hole

(iii) Big Bang
(iv) Steady State

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