Worksheets10class Reflection Test 1
Total questions: 13
Worksheet time: 4mins
Name
Class
Date
1.
The scientist who burned ships using mirrors is ____
a)
Archimedes
b)
Pierre de fermat
c)
Newton
d)
Boyle
2.
The geometrical center of curved mirror is called_____
a)
Center of curvature
b)
Pole
c)
Radius of curveture
d)
Focus
3.
The line which passes through the center of curvature and pole is _________
a)
Axis
b)
Reflected ray
c)
Incidence ray
d)
Principal axis
4.
The distance between pole and centre of curvature is ____________
a)
Focal length
b)
Radius of curvature
c)
Objest distance
d)
Image distance
5.
The distance between focus and pole of a mirror is called _____
a)
Radius of curvature
b)
Height of the mirror
c)
Objest distance
d)
Focal length
6.
The angle between incidence ray and normal ray is called as _____
a)
angle of normal
b)
angle of reflection
c)
angle of ray
d)
angle of incidence
7.
The angle between normal and reflected ray is called
a)
angle of normal
b)
angle of reflection
c)
angle of ray
d)
angle of incidence
8.
The image that we get by extending the rays backwards is called __________
a)
virtual
b)
real
c)
diminished
d)
magnefied
9.
The scientist who used Convex mirrors to burn ships is
a)
Newton
b)
Archimedes
c)
Pascal
d)
None
10.
The ratio of focal length of a spherical mirror to its radius of curvature is
a)
1 : 2
b)
1 : 0.5
c)
2 : 1
d)
3 : 1
11.
The ratio of radius of curvature of a spherical mirror to its focal length is
a)
0.1 : 2
b)
1 : 2
c)
2 : 1
d)
3 : 1
12.
When light reflected from a surface, the angle of incidence is 30 degrees, then angle of reflection is
a)
0
b)
60
c)
30
d)
90
13.
Which of the following images cannot be caught on screen?
a)
Real
b)
Virtual
c)
Both
d)
None
100 %
