Physics 7JP - Refraction & Dispersion

The bending of light when it travels from one medium to another is called __________

• dispersion

• refraction

• reflection

• photosynthesis

A light ray _______________ when it passes from air into a transparent material

• bend away from the normal

• bend towards the normal

• do not bend

A pencil appears to be broken when we see it in a glass of water. this happens due to

• splitting of light

• bending of light

• colours of light

• none of these

White light can be split up into seven colours using a prism, this is called _____________

• refraction

• reflection

• dispersion

• spectrum

___________ light slows down most, so it is refracted most.

• Red

• violet

• green

• Yellow

Which of the following is wrong for an image formed by a mirror?

• Same size as object

• Same distance from mirror

• Laterally inverted

• real

sparkling of diamond is an example for

• dispersion

• total internal reflection

• image formation

• bending

__________ happens when rays of light strikes the smooth surface and bounce off without being scattered.

• regular reflection

• dispersion

• diffusion

• diffuse reflection

A rough surface offers____________

• regular reflection

• diffuse reflection

• dispersion

• refraction

Clear glass is a _____________ material

• transparent

• opaque

• translucent