LIGHT

An image is formed by ----------- of light.

• Reflection

• Refraction

• Dispersion

• Scattering

Objects that do not emit light of their own are called

• luminous objects

• non-luminous objects

• opaque objects

• transparent objects

Light can travel in a zig-zag way.

• True

• False

Bouncing back of light from a smooth surface is called

• Rectilinear propagation

• Reflection

• Refraction

• Radiation

It is always black, regardless of the colour of the object. What is it?

• Source

• Image

• Shadow

• Screen

------------- objects form a shadow.

• Transparent

• Translucent

• Opaque

• Luminous

The condition required for the formation of a shadow?

• Source of light

• An opaque object

• A screen

• All of these

The pinhole camera forms an inverted image of the object.

• True

• False

Moon is a ---------- object.

• Luminous

• Non-luminous

• Transparent

• None of these

Which is a man-made luminous object?

• Sun

• Firefly

• Electric Bulb

• Moon