WorksheetsClass 7 magnetic effect and light
Total questions: 10
Worksheet time: 10mins
Magnetic effect of electric current was invented by
Coulomb
Oersted
Joule
When current is passed through a wire, it behaves like
Conductor
Magnet
Insulator
If you are standing 2m away from a plane mirror the distance between you and your image are
2m
4m
6m
8m
Images that can't be captured on a screen are called
Real image
Virtual image
Proper image
Imaginary image
Convex lens is also called as
Diverging lens
Converging lens
Plane lens
Power lens
What kind of image formed by concave lens?
Virtual
Real
Both
None
The path of the light is
(a) always a straight line
(b) a curved line
(c) a zig-zag line
(d) depends on the medium
a
b
c
d
The inner surface of a steel spoon acts as a ………………….. mirror.
plane mirror
convex mirror
concave mirror
convex lens
Which type of image formed by plane mirror?
Same size
Erect
Virtual
All of the above
sunlight called white light consits of __________________
colours
1
5
0
7
