# Light Quiz

## Quiz by abdul sami

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14 questions
• Q1
What is light?
Light is a form of energy
30s
• Q2
What is reflection of light?
When light falls on a shiny surface, most of it bounces back.
30s
• Q3
What is incident ray?
The ray of light falling on a reflecting surface is called incident ray
30s
• Q4
What is reflected ray?
The ray of light coming back from a reflecting surface is called reflected ray.
30s
• Q5
What is normal?
The perpendicular on reflecting surface at the point of incidence is called normal.
30s
• Q6
What is angle of incidence?
The angle between incident ray and normal is called angle of incidence
30s
• Q7
What is angle of reflection?
The angle between reflected ray and normal is called angle of reflection.
30s
• Q8
We can see objects because of
reflection
diffraction
transmission
refraction
30s
• Q9
When you see a straw in a glass of water it looks bent, why is this
polarization
reflection
refraction
diffraction
30s
• Q10
Light travels through all transparent media at the same speed
False
True
30s
• Q11
What is refraction? Include a real world example as part of your explanation
Refraction is the bending of light at the interface of two materials with different refractive indices is called refraction. Possible example: A straw in a glass of iced tea looks like it is bent because of the difference in densities and refractive indices of air and the liquid.
30s
• Q12
The imaginary line perpendicular to the boundary of two materials or to a reflective surface is called the
phase line
reflection path
normal
refractive path
30s
• Q13
When a light ray traveling along the normal hits the boundary of two materials, it changes its
direction
speed
30s
• Q14
When a ray of light passes from air, a less dense medium, to glass, a more dense medium, the ray of light will bend
away from normal
towards the normal
30s

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