Science Quiz 180

This is a timed quiz. You will be given 15 seconds per question. Are you ready?

On which theory nature of light depends upon:

Both (a) & (b)

Electromagnetic theory

Particle theory

Wave theory

Correct! Wrong!

Light from the Sun falling on a convex lens will converge at a point called ?

Diameter of curvature

None

focus

Both (a) & (b)

Correct! Wrong!

When a parallel beam of incident light is reflected as a parallel beam in one direction, this reflection is known as ?

Regular reflection

Diffraction

Total internal reflection

None

Correct! Wrong!

In torches, search lights and headlights of vehicles the bulb is placed ?

None

All of these

Very near to the focus of the reflector

At the centre of curvature of the reflector

Correct! Wrong!

Name a metal which is the best reflector of light?

None

Both (a)& (b)

Silver

Gold

Correct! Wrong!

The angle of incidence for a ray of light having zero reflection angle is?

Both (a) & (b)

90 degree

Zero

None of these

Correct! Wrong!

As light travels from a rarer to a denser medium it will have ?

None

All of the above

Decrease in wavelength

Decrease in velocity

Correct! Wrong!

Why light is said to have a dual nature?

It exhibits the properties of wave and particles

Both (a) & (b)

It exhibits the properties of reflection and diffraction

None

Correct! Wrong!

Science Quiz 180

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Science Quiz 180

On which theory nature of light depends upon:

Light from the Sun falling on a convex lens will converge at a point called ?

When a parallel beam of incident light is reflected as a parallel beam in one direction, this reflection is known as ?

In torches, search lights and headlights of vehicles the bulb is placed ?

Name a metal which is the best reflector of light?

The angle of incidence for a ray of light having zero reflection angle is?

As light travels from a rarer to a denser medium it will have ?

Why light is said to have a dual nature?

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Science Quiz 180

On which theory nature of light depends upon:

Light from the Sun falling on a convex lens will converge at a point called ?

When a parallel beam of incident light is reflected as a parallel beam in one direction, this reflection is known as ?

In torches, search lights and headlights of vehicles the bulb is placed ?

Name a metal which is the best reflector of light?

The angle of incidence for a ray of light having zero reflection angle is?

As light travels from a rarer to a denser medium it will have ?

Why light is said to have a dual nature?

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