| 1 |
Magnification of mirror is given by: |
m=p/q
m=q/p
m=pxq
m=1/p+q
|
| 2 |
Spherical mirrors are used in: |
Medical
Search light
Microscope
All of these
|
| 3 |
The ray of the light after reflection from concave mirror passes through: |
Centre
Principal focus
Pole
None of these
|
| 4 |
The line which passes through pole of the mirror and center of curvature is called principal: |
axis
Focus
Line
None of these
|
| 5 |
The mirror whose outer surface is reflecting is called: |
Concave mirror
Convex mirror
Lens
Mirror
|
| 6 |
The mirror whose inner surface is reflecting is called: |
Concave mirror
Convex mirror
Miroor
Lens
|
| 7 |
The distance between principal focus and pole of mirror is called: |
Princpal focus
Focal length
P
Image
|
| 8 |
The point through which rays of light pass after reflection from concave mirror is called principal: |
Focus
Circle
Axis
Radius
|
| 9 |
Half of radius of curvature is called: |
Focal length
Principal focus
Axis
None of these
|
| 10 |
The centre of spherical mirror is called: |
Focus
Axis
Centre
Pole
|
| 11 |
The distance of spherical mirror is called: |
Curvature
Aperture
Sphere
a,b
|
| 12 |
The critical angle for a beam of light passing from water into air is 48.8 degrees. This mean that all light rays with an angle of incidence greater than this angle will be: |
Absorbed
Totallly reflected
Partially reflected and partially transmitted
Totally transmitted
|
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