Question # 1

The Detector in Photo phone is made up of.

Choose an answer

Cadmium

Germanium

Selenium

Silicon

In an object is placed in between focus point and Opticla center of a convex lens, the image formed by lens is.

Choose an answer

Real inverted

Virtual diminshed

Virtual inverted

Virtual erected

In Michelson's experiment the relation used to find the speed of light is

Choose an answer

16 fc

1/16 fd

16 fd

16/fd

__ will travel faster than other through an optical fibre.

Choose an answer

Ultraviolet light

Visible light

Infrared light

White light

A convex lens acts as diverging lens if the object is placed at

Choose an answer

F

2F

Between F and 2 F

Within the F

The ratio of size of image and size of object is

Choose an answer

Focal length

Magnification

Resolving power

Principle focus

Multimode step index fibre is useful for

Choose an answer

Long distances

Short distances

Better quality

Low price

The magnifying power is also called

Choose an answer

Resolving power

Angular magnification

Strength of eye

None of these

The ability of reveal the minor details of an object under examination is called.

Choose an answer

Resolving power

Magnification

Scattering

Reflection

The optical fiber is covered for protection by a

Choose an answer

Glass Jacket

Plastic Jacket

Copper Jacket

Aluminum Jacket

Critical angle is that angle of incident ofr which angle of refraction is.

Choose an answer

90 ^o

45 ^o

42 ^o

24 ^o

If an object is placed with in the focal length of a convex lens, its image is formed.

Choose an answer

Real

Inverted

Virtual

Smaller than object

The optical fibre is covered for protection by

Choose an answer

Glass jacket

Plastic jacket

Steel jacket

Diamond jacket

The units of magnifying power of microscope or telescope are.

Choose an answer

Metre

m^-1

dioptre

No unit

The first person who attempted to measure the speed of light was.

Choose an answer

Michelson

Hygen's

Galileo

Ability

The least distance of distinct vision for the normal eye is.

Choose an answer

15 cm

25 cm

125 cm

25 m

If an object lies at focus point F in front of a converd lens, its image is formed at.

Choose an answer

2F

F

3F

Infinity

Information carrying capacity of optical fibre called.

Choose an answer

Capacity

Band width

Immunity

Ability

More Classes

Other Links

Physics Fsc Part 1 Chapter 10 Online Test 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