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Reflection Of Light 8
Test Description: Reflection of Light / Physics Grade 8
Instructions: Answer all questions to get your test result.
1) The image of the object formed by mirror is :
A
virtual
B
both
C
none of the previous
D
real
2) 2) If the object is placed at 15cm from the mirror then its image is formed at a distance:
A
greater than 15cm
B
equal to 15cm
C
exactly on the mirror
D
less than 15cm
3) 3) When the ray of light incident normally on a mirror then the angle of reflection (r) in degrees is :
A
r=45o
B
r=0
C
r=60o
D
r=90o
4) Any reflected ray seems as coming out from :
A
the image of the object
B
the mirror
C
the object
D
the normal to the surface
5) We can see the object when the ray of light is :
A
reflected then absorbed
B
reflected then absorbed
C
reflected by the object
D
absorbed by the object
6) The image of the object is formed:
A
on the surface of the mirror
B
none of the previous
C
in front of the mirror
D
behind the mirror
7) The angle of reflection is the angle between :
A
the reflected ray and the surface of incidence
B
the normal and the incident ray
C
the normal and the reflected ray
D
the reflected ray and the incident ray
8) According to the law of reflection , the angle of incidence is :
A
none of the choices
B
less than the angle of reflection
C
greater than the angle of reflection
D
equal to the angle of reflection
9) The angle between the incident ray and the mirror is 30 degree then the angle of incidence in degrees is:
A
60
B
30
C
90
D
45
10) The intersection of the prolongation of two reflected rays gives :
A
the source of light
B
none of the previous
C
the image of the source
D
the object
*select an answer for all questions
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