SL Arora Physics Class 11 Volume 1. We covered all the SL Arora Physics Class 11 Volume 1 MCQs in this post for free so that you can practice well for the exam.
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SL Arora Physics Class 11 Volume 1 Objective for Students
A person who is colorblind cannot distinguish between
(a) Black and yellow
(b) Red and green
(c) Yellow and white
(d) Green and blue
Option b – Red and green
The minimum distance of clear vision for a normal healthy eye of a human being is supposed to be
(a) 50 cm
(b) 10 cm
(c) 15 cm
(d) 25 cm
Option d – 25 cm
The focal length of the lens of a normal human eye is about
(a) 25 cm
(b) 1 m
(c) 2.5 mm
(d) 2.5 cm
Option d – 2.5 cm
Which one of the following statements is not correct?
(a) The human eye is a refracting system containing a diverging lens.
(b) The retina of the human eye contains millions of light-sensitive cells, called rods and cones, which convert the light into electrical messages.
(c) Every image that is focused on the retina is upside down.
(d) We need both eyes to judge the relative positions of objects accurately.
Option a – The human eye is a refracting system containing a diverging lens
To remove the defect of long-sightedness, one uses
(a) Concave lens
(b) Convex mirror
(c) Convex lens
(d) Concave mirror
Option c – Convex lens
In long-sightedness, images are formed
(a) on the retina
(b) in front of the retina
(c) behind the retina
(d) on the blind spot
Option c – behind the retina
Rajat has hypermetropia. What type of lens will the ophthalmologist recommend to correct his vision?
(a) Bifocal
(b) Concave
(c) Progressive
(d) Convex
Option d – Convex
A person is unable to read a newspaper without his glasses. He is most probably suffering from
(a) myopia
(b) presbyopia
(c) astigmatism
(d) hypermetropia
Option b – presbyopia
The lens type commonly used for correcting presbyopia is
(a) bifocal lens
(b) cylindrical lens
(c) convex lens
(d) concave lens
Option a – bifocal lens
We covered all the sl arora physics class 11 volume 1 mcqs above in this post for free so that you can practice well for the exam.
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