Who invented bifocal eyeglasses...? Mcqs

Latest MCQs

Who invented bifocal eyeglasses...?

(A) Ibn-e-Haitem
(B) Benjamin Franklin

(C) Archemedes
(D) None

Latest MCQs

Which one of the following is not vector quantity _______...?

(A) Acceleration
(B) Displacement

(C) Speed
(D) Force

Latest MCQs

State of matter that has fixed shape and fixed volume is called...?

(A) Solid
(B) Liquid

(C) Gas
(D) None

Latest MCQs

Total internal reflection of light is possible when light enters from ____...?

(A) Air to water
(B) Glass to glass

(C) Water to air
(D) Air to glass

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In eye donation, which one of the following parts of donor’s eye is utilized ...?

(A) Iris
(B) Lens

(C) Cornea
(D) Retina

Latest MCQs

An area where community interacts with non-living environment is called...?

(A) Community
(B) Ecology

(C) Ecosystem
(D) Biome

Latest MCQs

In modern periodic table, how many groups are there...?

(A) 12
(B) 18

(C) 7
(D) 8

Latest MCQs

When an oscillating object is in simple harmonic motion, its maximum speed occurs when the object is at its _____...?

(A) Highest point
(B) Lowest point

(C) Equilibrium point
(D) Extreme point

Latest MCQs

LPG consists mainly of : ___________...?

(A) Methane,Ethane & Hexane
(B) Ethane,Hexane &Nonane

(C) Methane,Butane & Propane
(D) All of these

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Law of conservation of momentum defines that the total momentum of a system of two bodies before and after collision ______...?

(A) Remains constant
(B) Retains more momentum

(C) Losses some momentum
(D) None of the above is true

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