Reflection of light

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

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

Tags

NGSS.MS-PS4-2

Why can you see most objects? 

• they emit light
• light refracts through them
• light reflects off them
• They absorb light

Tags

NGSS.4-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

Images in a plane mirror are

• real

• larger

• same size

• smaller

Tags

NGSS.MS-PS4-2

Light travels in ___________ lines

• wavy
• bent
• straight
• backwards

What is the value of the unknown angle (theta) in the following diagram?

• A. 30 degrees

• B. 45 degrees

• C. 90 degrees

• D. 60 degrees

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

what is the angle between the incident ray and the normal called as

• angle of incidence
• angle of reflection
• angle of convergent
• angle of divergent

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NGSS.MS-PS4-2

Which of the following is not a source of light? 

• A. candle
• B. caver’s lamp
• C. mirror
• D. sun

Tags

NGSS.4-PS4-2

Which of these is the best reflector of light?

• shiny metal
• white paper
• carpet
• wood

Tags

NGSS.MS-PS4-2