P12: L3 - Reflection & Refraction 1

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

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

The angle produced as a source of light bounces off a reflecting surface is called ______.

• angle of crookedness
• angle of reflection
• angle of incidence
• angle of bounce

Tags

NGSS.MS-PS4-2

MCQ 02
Why can you see most objects?

• A. they emit light
• B. light refracts through them
• C. light reflects off them
• D. they absorb light

Tags

NGSS.4-PS4-2

Section B1a
Given that the angle of incidence = 30 degrees
a. Draw a ray diagram, labelling clearly the normal, incident ray, angle of incidence, reflected ray and angle of reflection accurately.
Which is the correct diagam? 

• A
• B
• C
• D

Tags

NGSS.MS-PS4-2

To get the best reflection from a mirror you need

• a very shiny surface to reflect lots of light

• to stand right in front of it

• to shine a bright light on it

• it to produce light

Tags

NGSS.MS-PS4-2

MCQ 011
According to the laws of reflection, if i = angle of incidence and r = angle of reflection,

• A. i =  r
• B. i >  r
• C. r >  i
• D. i is not equal to r

Tags

NGSS.MS-PS4-2

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

When light passes at an angle to the normal from one medium into another in which its speed is higher

• it is bent toward the normal.

• it always lies along the normal.

• it is unaffected.

• it is bent away from the normal.

Tags

NGSS.MS-PS4-2

The velocity of light in vacuum is _______ m/s

• 3x10⁸
• 3x10¹²
• 3x10⁶
• 3x10¹⁰

Tags

NGSS.HS-PS4-1