Reflection of Light
Physics ⇒ Light and Optics
Reflection of Light starts at 7 and continues till grade 12.
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See sample questions for grade 9
Define the term 'normal' in the context of reflection of light.
Describe what happens to the direction of light when it reflects off a smooth surface.
Describe what happens to the image of an object as it moves closer to a plane mirror.
Explain the difference between regular and diffuse reflection.
Explain why the image in a plane mirror appears to be behind the mirror.
Explain why you cannot see your reflection clearly in a piece of paper.
What is meant by lateral inversion?
A student shines a torch at a mirror and measures the angle of incidence as 25°. What should be the angle of reflection?
Which of the following best describes the path of light after it strikes a rough surface?
(1) All rays reflect in the same direction
(2) Rays scatter in many directions
(3) Rays are absorbed
(4) Rays pass through the surface
Which of the following best explains why we can see objects that are not luminous?
(1) They emit their own light
(2) They reflect light from other sources
(3) They absorb all light
(4) They refract light
Which of the following is an example of diffuse reflection?
(1) Reflection from a calm lake
(2) Reflection from a polished metal
(3) Reflection from a white wall
(4) Reflection from a glass window
Which of the following is NOT a property of the image formed by a plane mirror?
(1) It is virtual
(2) It is inverted vertically
(3) It is laterally inverted
(4) It is the same size as the object
Fill in the blank: The angle of incidence is measured from the ________ to the incident ray.
Fill in the blank: The image formed by a plane mirror is laterally ________.
Fill in the blank: The law of reflection can be written as angle of incidence = angle of ________.
The angle between the incident ray and the normal is called the ________.
State whether the following statement is true or false: The image formed by a plane mirror is always virtual.
True or False: In regular reflection, the reflected rays are parallel to each other.
True or False: The image formed by a plane mirror is always real.
True or False: The image formed by a plane mirror is at the same distance behind the mirror as the object is in front of it.
