Waves - Reflection 01

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10 questions
• Q1
What will all waves do when they are incident, at a certain angle, on different surfaces?
Reflect
Disappear
Change amplitude
Diffuse
30s
• Q2
What is an incoming ray of light called?
Normal
Incident ray
Accident Ray
Reflected ray
30s
• Q3
What is the law of reflection?
Angle of incidence = The normal
Angle of incidence > Angle of reflection
Angle of incidence < Angle of reflection
Angle of incidence = Angle of reflection
30s
• Q4
What is the normal?
It is a line perpendicular to the reflecting surface at the point of incidence
It is a line perpendicular to the light source
It is a line parallel to the reflecting surface at the point of incidence
It is a line parallel to the light source
30s
• Q5
What are properties of images produced by plane mirrors?
Virtual
All of these
Upright
Laterally inverted
30s
• Q6
A ray of light is shone onto a plane mirror with an angle of incidence of 32 degrees. What is the angle between the reflected ray and the normal?
32 degrees
58 degrees
122 degrees
68 degrees
30s
• Q7
A ray of light reflects from a plane mirror with an angle of reflection of 64 degrees. What was its angle of incidence?
26 degrees
36 degrees
64 degrees
154 degrees
30s
• Q8
Which of the following statements are true?
All of these
The incident ray, the reflected ray and the normal all lie in the same geometric plane
The angle of incidence is equal to the angle of reflection
The reflected ray and the incident ray are on opposite sides of the normal
30s
• Q9
Which type of surface would provide the best reflection?
They all reflect as well as each other
Rough
Jagged
Smooth
30s
• Q10
Which of the following devices uses the principle of reflection?
A Mirror
Fibre optic cables
Newtonian telescope
All of these
30s

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