Light (Part 2)

Which of the followings uses a convex lens? (More than one answer)

• A magnifying glass

• A camera

• A reflector in a torch light

• A kaleidoscope

Which of the following always produce a virtual, erect and diminished image?

• A concave lens

• A convex lens

• A plane mirror

• A concave mirror

Characteristics of image on a plane mirror are _______.(more than one answer)

• enlarged

• same size

• virtual

• real

• laterally iinverted

Total internal reflection might occur when light travels from ________________.

• water to air

• air to water

• glass to air

• air to glass

The angle of incidence when the angle of refraction is 90° is known as the _____________ angle.

Total internal reflection will occur when the angle of incidence is larger than the _______________ angle.

The phenomenon shown in the picture is known as ______________ of light.

A natural phenomena that is caused by dispersion of light is the formation of ___________________.

What are the primary colours?

• Red

• White

• Blue

• Yellow

• Green

The colour seen when blue light is added with green light is _____________.

• magenta

• yellow

• cyan

• white