The lenses are used for the correction of:____________?

Related Mcqs:

Laughing gas has chemical composition of following two elements ?

A. Nitrogen + Hydrogen B. Nitrogen + Carbon C. Nitrogen + Oxygen D. Oxygen + Carbon E. None of these...

Which of the following atmospheric layers help in radio communication?

A. Exosphere B. Ionosphere C. Troposphere D. Stratosphere E. Ozone layer...

A body can escape the gravitational pull of the earth if it is thrown up with a velocity of?

A. 25 miles per sec b ) 60 miles per sec C. 7 miles per sec D. 10 miles per sec E. None of these...

Short-sightedness can be corrected by using ___________?

A. Convex lens B. Concave lens C. Convex-concave lens D. Concave-convex lens...

Which product is obtained in the manufacture of soap from oils:

A.Sodium chloride B.Sodium hydroxide C.Fats D.Glycerine...