Laws of Reflection, Refraction

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

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

In the diagram, which letter represents the angle of incidence?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

........... – the angle between the normal and the incident ray.

• Angle of incidence
• Angle of reflection
• Angle of coincidence
• Angle of direction

Tags

NGSS.MS-PS4-2

The imaginary line perpendicular to a reflecting surface is called _____.

• crooked line
• parallel line
• angular line
• normal line

Tags

NGSS.MS-PS4-2

straight lines that represent light waves 

• Rays
• image
• lines
• visible light

Tags

NGSS.MS-PS4-2

What is the line MN called in the given diagram
                               

• incident ray
• reflected ray
• reflecting surface
• normal

Tags

NGSS.MS-PS4-2

If the angle of incidence is 45 degree, what is the angle between the incident ray and reflecting surface

• 45
• 90
• 180
• none of the above

Tags

NGSS.MS-PS4-2

a copy of an object formed by reflected or refracted rays of light

• image
• reflection
• regular reflection
• diffuse reflection

What is A?

• Angle of incidence
• Angle of reflection
• Incident ray
• Reflected ray