Sound travel faster in solid as compare to gases because of ______...? Mcqs

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Sound travel faster in solid as compare to gases because of ______...?

(A) Gas molecules are packed loosely
(B) Sound does not travel faster through a solid than a gas

(C) Solid molecules are packed tightly
(D) Gas molecules move faster

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Calcaneus bone in which part of human body...?

(A) Heel
(B) Hand

(C) Arm
(D) Skull

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Dioptre is used to measure...?

(A) optical power
(B) luminous intensity

(C) power
(D) distance of heavenly bodies

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Parsec is a unit of ___________...?

(A) Energy
(B) Time

(C) Power
(D) Distance

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Units of electricity consumed by 2500 watt air-conditioner in one hour are_________...?

(A) 25 units
(B) 2.25 units

(C) 2.5 units
(D) 0.25 units

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What will be the result if you put yeast in dough...?

(A) The dough will become sour
(B) The dough will become harder

(C) The dough will become smaller
(D) The carbon dioxide will be released

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Biological name of cat...?

(A) Felis catus
(B) Azadirachta indica

(C) Alium Cepa
(D) Canis lupis

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Which one of the following is not a way to reduce friction...?

(A) Smooth and polishing surfaces
(B) Less contact area

(C) Oil and lubricants
(D) Ball bearing and rollers

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Presence of enzyme does not affect the nature or properties of ______...?

(A) Reactants
(B) Reaction rate

(C) End products
(D) Activation energy

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Joint in which bones are joined together by fibrous tissues is called _____________ ...?

(A) Fibrous joint
(B) Cartilaginous joint

(C) Synovial joint
(D) Ball and socket joint

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