Science Quiz 180

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

Why light is said to have a dual nature?

None

Both (a) & (b)

It exhibits the properties of reflection and diffraction

It exhibits the properties of wave and particles

Correct! Wrong!

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

Diameter of curvature

focus

None

Both (a) & (b)

Correct! Wrong!

On which theory nature of light depends upon:

Wave theory

Particle theory

Electromagnetic theory

Both (a) & (b)

Correct! Wrong!

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

None

Decrease in wavelength

All of the above

Decrease in velocity

Correct! Wrong!

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

Very near to the focus of the reflector

All of these

At the centre of curvature of the reflector

None

Correct! Wrong!

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

Both (a) & (b)

Zero

None of these

90 degree

Correct! Wrong!

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

None

Regular reflection

Diffraction

Total internal reflection

Correct! Wrong!

Name a metal which is the best reflector of light?

None

Both (a)& (b)

Gold

Silver

Correct! Wrong!

Science Quiz 180

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Science Quiz 180

Why light is said to have a dual nature?

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

On which theory nature of light depends upon:

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

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

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

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

Name a metal which is the best reflector of light?

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Purchased - Poly M - Adventure Playground Kit

Science Quiz 180

Why light is said to have a dual nature?

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

On which theory nature of light depends upon:

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

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

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

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

Name a metal which is the best reflector of light?

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