Reflection and Refraction

Diagram shows a phenomenon occurs when the spotlight is directed onto a mirror surface. What is the principle of light shown in the situation?

• Light travels in a straight line

• Refraction of light

• Reflection of light

• Light travels in parallel

Tags

NGSS.MS-PS4-2

When does the light is refracted?

• When light travels in a straight line

• When light is bounced

• When light travels in two different mediums

• When light cannot pass through an opaque object

Tags

NGSS.MS-PS4-2

When light hits an area and bounces back it is called:

• echo

• refraction

• reflection

• absorbing

Tags

NGSS.MS-PS4-2

When light goes from one material(medium) to another it becomes bent, what term means bent?

• reflected

• refracted

• absorbed

• turned

Tags

NGSS.MS-PS4-2

Why does the straw appear to be bent?

• light is reflected

• light is absorbed

• light is turned

• light is refracted

Tags

NGSS.MS-PS4-2

When light passes from air to water, what happens to the speed of the light?

• speeds up

• slows down

• stays the same

Tags

NGSS.MS-PS4-2

The velocity of light in vacuum is _______ m/s

• 3x10⁸
• 3x10¹²
• 3x10⁶
• 3x10¹⁰

Tags

NGSS.HS-PS4-1

A student placed a pencil in a cup of water.  The pencil appears broken because light-

• always travels in a straight line
• bends when it passes through water
• makes the water in the glass evaporate
• reflects the pencil on the water's surface

Tags

NGSS.MS-PS4-2

Which of the following factors contributes to the bending of light?

• Change of speed of light

• Change of density of light

• Change of colour of light

• Change of energy of light

Tags

NGSS.MS-PS4-2

Which figure represents the path light takes through a converging lens?

• 
• 
• 
• 

Tags

NGSS.MS-PS4-2