Light

When light hits an opaque object it changes direction

and bounces off. This is called _________

• Refraction

• Reflection

Tags

NGSS.MS-PS4-2

Which among the light rays in the diagram is the normal ray?

• 1

• 2

• 3

Tags

NGSS.MS-PS4-2

Why can you see most objects?

• They absorb light

• they emit light

• light reflects off them

• light refracts through them

Tags

NGSS.MS-PS4-2

The ray of light that strikes a reflecting surface is called ________.

• incident ray
• reflected ray
• normal ray
• none of the above

Tags

NGSS.MS-PS4-2

In the given figure , which angle represents angle of incidence ?

• a

• b

• c

• d

Tags

NGSS.MS-PS4-2

If a light ray strikes a flat mirror at an angle of 21° from the normal, the reflected ray will be

Tags

NGSS.MS-PS4-2

In the diagram, which letter represents the reflected ray?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

• equal
• double
• half

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

What is the angle of reflection (θ_r) in the image?

• 56^o

• 90^o

• 124^o

• 34^o

Tags

NGSS.MS-PS4-2

From the diagram shown, what is the angle of reflection?

• 20^o

• 40^o

• 70^o

• 90^o

Tags

NGSS.MS-PS4-2