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Total questions: 20
Worksheet time: 18mins
What is the size of the image formed when an object is kept at the focus in front of concave mirror?
enlarged
diminished
highly enlarged
highly diminished
Mirror formula is defined as ........
A
B
C
D
When the object is in between the centre of curvature (C) and focus (F) of a concave mirror, then the position of the image is ...........
At focus
At the centre of curvature
at infinity
beyond the centre of curvature
A convex mirror has a focal length 12 cm. Then its radius of curvature is ........ cm
24
12
6
1.2
Convex mirror is also called as
converging mirror
diverging mirror
plane mirror
silver mirror
Which of the following is a concave mirror?
Why is the spectrum of light seperated into its components of colour when white light is directed to a prism?
The different colours in the white light bend away from the normal line at different angles when entering prism
The different colours in the white light bend towards the normal line at different angles when entering prism
The different colours in the white light bend away from the normal at same speed to each other when entering prism
The different colours in the white light bend towards the normal at same speed to each other when entering prism
Which of these provides the best explanation for why the pencil appears broken?
The pencil absorbs the light rays that hit it.
Water reflects light rays away from the pencil.
Light rays are bent by the water in the glass.
The surface of the water reflects the light rays.
Which mirror forms always a virtual image and same size as an object .
Concave
Convex
Plane
Converging
------ is a mid point of the pole and the centre of the curvature .
Focus
Centre
Focal length
Radius of creature
The mirror which forms virtual,erect and magnified image is .....
Converging mirror
Convex mirror
Plane mirror
Diverging mirror
In which of the following condition concave mirror forms a virtual image ?
When an object is placed at C
When an object is placed at F
When an object is placed at 2C
When an object is placed in between F and P
The magnification is negative for .....
Virtual image
Real image
Erect image
Upright image
The mirror which forms the image whose magnification always positive is....
Convex
Concave
Converging
Plane
convex mirror is used as a rear view mirror because ......
If forms an erect image
It forms the diminished image
It forms the virtual image
All the above reasons
Which of the following mirror has infinite focal length .
Concave mirror
Convex mirror
Converging mirror
Plane mirror
The mirror whose focal length is negative is ?
Concave mirror
Convex mirror
Diverging mirror
Plane mirror
Where would an object be placed to get an image at the centre of the curvature of a concave mirror ?
At focus
At infinity
At centre of the curvature
Between F and C
