Worksheetspt2 CH-15 REVISION QUIZ 2:light and Associated Phenomena
Total questions: 40
Worksheet time: 15mins
Which of the following is used as a shaving mirror?
Convex
Concave
Plane
All of these
Which of the following mirrors is used for rear view in vehicles?
Convex
Concave
Plane
All of these
Which of the following mirrors forms the real image?
Convex
Concave
Plane
All of these
Which of the following mirrors is used by the dentist to see magnified image of teeth?
Convex
Concave
Plane
All of these
Which of the following mirrors is used as reflector in flashlight?
Convex
Concave
Plane
All of these
An image that cannot be formed on the screen is called (a) image
(a) is a material through which light can pass partially.
Another name for converging lens is called (a) lens
A point at which converging rays of light meet
(a)
A curved mirror whose inner side is polished is called (a) mirrror
(a) is the property if light by which light travels in a straight line.
Write True or false:
A concave mirror mostly produces inverted image
(a)
Write true or false:
In a convex mirror the size of the image is always small
(a)
Write true or false:
A concave lens is used in car head-lights
(a)
Another name of a diverging lens
(a)
(a) is a metal used for coating mirrors
(a) is the bouncing of light from a surface
(a) is the part of the eye that acts as screen and is connected to the brain by the optic nerve.
(a) image in which left appears to be on right side and vice-versa.
(a) is the point at which an incident ray meets the reflecting surface.
(a) is an image that can be obtained on a screen
(a) is a phenomenon which occurs when a ray of light passes from one transparent medium to another.
Which rules that are followed by light during refraction?
When lught travels from rarer to a denser medium it bends towards the normal
When light travels from a denser to a rarer medium, it bends away from the normal
When light travels from a denser to a rarer medium, it bends towards from the normal
When light travels along the normal, there is no deviation, that is the ray suffers no refraction
The band of seven colours is called (a)
The rainbow consists of seven colours and is formed by the (a) of white light.
(a) is part of a lens and is the line joining the centres of the two spheres from which the lens is formed.
(a) is the center of the lens
Write true or false:
The image formed by a convex lens varies with the change in distance of the object from the lens.
(a)
Write true or false:
Concave lens, the image formed is always smaller in size, upright and virtual, irrespective of the distance.
(a)
Write true or false:
When the object is very close to the convex lens, a virtual image is formed which is upright and magnified
(a)
A magnifying glass is what type of lens?
(a)
Write true or false:
The image formed in a convex mirror is always virtual, erect and smaller size
(a)
A human eye has an inbuilt (a) lens
The image formation in the human eye is (a) image(virtual, real)
When the rays of light fall on the eye lens, it focuses a (a) image(upright, inverted)
What is the difference between specular and diffused reflection?
Give the four points of the characteristics of the image formed in a plane mirror
What is the principle behind the ECNALUBMA is written this way on a vehicle that carry patients to hospital?
Suraj is observing his image in a plane mirror. The distance between the mirror and his image is 6m. If he moves 2m towards the mirror, then what will be the distance between Suraj and his image?
answer: (a) m
What is the difference between real and virtual image?
