Which of the following lens are useful in microscope...? Mcqs

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Which of the following lens are useful in microscope...?

(A) Convex lens
(B) Concave lens

(C) Curved lens
(D) None of These

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Latest MCQs

The part of an eye acting as a aperture of camera is _____...?

(A) Iris
(B) Pupil

(C) Cornea
(D) Retina

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Metals are good conductors of electricity because they have free _____...?

(A) Electrons
(B) Protons

(C) Neutrons
(D) Photons

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Sound waves are _________ waves....?

(A) Transverse
(B) Electromagnetic

(C) Longitudinal
(D) None of these

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Which of the following chemicals is not found in tobacco smoke...?

(A) Chlorine bleach
(B) Rocket fuel

(C) Nail polish remover
(D) Barbecue lighter fluid

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Which of the following is a homo atomic...?

(A) H2
(B) NH3

(C) H2O
(D) CO2

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Dioptre is a unit of measurement for __________ ...?

(A) Current
(B) Lens

(C) Force
(D) Focal Length

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Radioactivity was discovered by __________...?

(A) Kelvin
(B) Thomson

(C) Rutherford
(D) Bacquerel

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Short-sightedness can be corrected by using ___________...?

(A) Convex lens
(B) Concave lens

(C) Convex-concave lens
(D) Concave-convex lens

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The main cause of air pollution is __________...?

(A) Burning Of Fuels
(B) Forests

(C) Fertilizers
(D) None of these

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