Question # 1

Which of the following colours of light passes through glass with minimum speed.

Choose an answer

Green

Yellow

Red

Violet

Lenses are commonly made of.

Choose an answer

Glass only

Plastic only

Glass and clear plastic

Aluminium

Linear magnification is equal to the ratio of.

Choose an answer

Size of the object to the size of the image

Size of the image to the size of the object

size of the object focal length

Size of the image focal length

The characteristic of an image formed by a plane mirror is.

Choose an answer

It is of the same size as the object

It is laterally inverted

It is upright

All of the above

Which of the following is used for the failure of a lens to form a sharp and distinct image.

Choose an answer

Distortion

Astrigmation

Chromatic aberration

spherical aberration

The normal adjustment the magnifying power of an astronomical telescope is.

Choose an answer

fe/fo

fo/fe

fo+ fe

fo -fe

The relation between angle of incidence and angle of refraction is known as.

Choose an answer

Snell's law

Refractive index

Index of refraction

All of the above

Sunlight can undergo total internal reflection if it enters from

Choose an answer

Glass to air

Air to glass

Air to water

Water to glass

The power of convex lens is 10 d. At what distance the 3 times larger image is formed.

Choose an answer

9.6 cm

2.3 cm

13.3 cm

17.6 cm

The phenomenon of regular refraction of light illustrates taht.

Choose an answer

Light is reflected in one direction only

Light is reflected through a range of different angles

Light is refracted in one direction only

Light is refracted through a range of different angles.

Chromatic aberration can be removed by using.

Choose an answer

Convex lens

Two convex lenses

Concave lens

Combination of a convex lens and a concave lens

What is the magnifying power of a convex lens of focal length 5 cm.

Choose an answer

3

5

6

20

When of the following colours scatters minimum.

Choose an answer

Blue

Violet

Yellow

Red

Total internal reflection occurs when the angle of incidence is.

Choose an answer

Greater than the angle of refraction

Equal to the critical angle

Greater than the critical angle

Greater than 45^o

A direct vision spectroscope is better than a prism spectrometer because it helps in

Choose an answer

Observing the spectrum without a source

Observing the spectrum perpendicular to a source

Observing the spectrum in line with the source

all of the above

Due to which phenomenon, diamond shrines so brightly.

Choose an answer

Scattering of light

Refraction of light

Dispersion of light

Total internal reflection

The deflection image due to oblique centric rays failing on the lens is called.

Choose an answer

Coma

Spherical aberration

Astigmatism

Curvature of image field

Which is the light sensitive tissue in human eye

Choose an answer

Retina

pupil

Iris

Cornea

Larger the diameter of the objective of a telescope.

Choose an answer

Greater is its resolving power

Lesser is its resolving power

Lesser is its magnifying power

greater is its magnifying power

The object of a telescope is very large this is to have an image which is.

Choose an answer

More magnified

Of better resolution

More bright

More clear

On which of the following the object size as perceived by eye depends upon.

Choose an answer

Actual size of the object

Aperture of the pupil

Object distance from the eye

Size of the image formed on the retina

More Classes

Other Links

PPSC Physics Chapter 4 Geometrical Optics MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer