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- 1. Multiple Choice
Which of the following best suits the definition of Reflection of Light.
change in the path of light when passing from one medium to another
return of light into the same medium after striking a surface
- 2. Multiple Choice
Name the types of reflection seen
plain/ rough
irregular/regular
smooth/rugged
regular/irregular
- 3. Multiple Choice
Define 'Normal'
light ray striking the reflecting surface
perpendicular drawn to the surface at the point of incidence
light ray obtained after reflection
- 4. Fill in the Blank
A light ray is incident normally on a reflecting surface.The angle of reflection is _______
- 5. Multiple Choice
The Laws of reflection are,
The normal is imaginary
The angle of incidence is equal to the angle of reflection
The image is virtual
The incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.
- 6. Multiple Choice
Tick all the characteristics true for a real image
can be obtained on a screen
inverted with respect to the object
formed by a concave mirror for a distant object
cannot be obtained on a screen
formed by the actual intersection of the reflected rays
- 7. Fill in the Blank
An image which cannot be obtained on a screen is called a __________ image
- 8. Multiple Choice
Characteristics of the image formed by a plane mirror
virtual
upright
same size as the object
laterally inverted
same distance behind the mirror as the object in the front of it
- 9. Multiple Choice
An object is at a distance of 25 cm in front of a plane mirror.The mirror is shifted 5 cm away from the object.Find the new distance between the object and it's image.
30 cm
60 cm
20 cm
40 cm
- 10. Multiple Choice
The image formed in a plane mirror is
erect and diminished
erect and enlarged
inverted and of the same size
erect and of the same size
- 11. Multiple Choice
When an object is kept between two mirrors parallel to each other,the number of images formed is
2
3
4
infinite
- 12. Multiple Choice
When an object is placed between two mirrors kept perpendicular to each other ,the number of images formed is
2
3
4
infinite
- 13. Multiple Choice
Three mirrors inclined at an angle of 600 is used in a
periscope
kaleidoscope
solar heater
barber's shop
- 14. Fill in the Blank
The inner side of a spherical mirror is the reflecting surface. The mirror is a _________ mirror
- 15. Fill in the Blank
The image formed by a spherical mirror is upright and diminished. The mirror is
- 16. Multiple Choice
The image formed by a mirror is upright and magnified. The mirror is
plane
concave
convex
obtuse
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