Concave lenses are also known as ______...? Mcqs

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Concave lenses are also known as ______...?

(A) Converging Lens
(B) Diverging Lens

(C) Cylindrical lens
(D) None

Latest MCQs

Amnesia is related to:__________...?

(A) Sleeping sickness
(B) Loss of sight

(C) Loss of hearing
(D) Loss of memory

Latest MCQs

Geiger-Muller counter is used to detect__________...?

(A) Protons
(B) Neutrons

(C) Photons
(D) none

Latest MCQs

Which part of a D.C motor reverses the direction of current through the coil every half-cycle...?

(A) The armature
(B) The commutator

(C) The brushes
(D) The slip rings

Latest MCQs

Which Organ is affected by trachoma...?

(A) Liver
(B) Lungs

(C) Eyes
(D) Brain

Latest MCQs

A colour blind person cannot distinguish between _________...?

(A) White & Yellow
(B) Red & Green

(C) Red & Black
(D) Green & Black

Latest MCQs

When an object reflects the entire component colours of light, it appears ____...?

(A) White
(B) Black

(C) Green
(D) Dark

Latest MCQs

The planets visible to us without using a telescope are __________...?

(A) 3
(B) 4

(C) 5
(D) 6

Latest MCQs

Which is the renewable source of energy...?

(A) Solar and wind
(B) Coal

(C) Natural gas
(D) Petroleum

Latest MCQs

Which scientist established that the various form of energy mechanical, electrical and heat are basically the same and can be changed from one form into another...?

(A) John Dalton
(B) William Thomson

(C) Albert Einstein
(D) James Prescott Joule

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