Physics
For a convex mirror, the value of u is always …………… and the value of v is ……………
- positive, positive
- positive, negative
- negative, negative
- negative, positive
Related Questions
For a convex mirror, when the object is in front of the mirror, the image formed is :
- real, upright and magnified
- real, inverted and diminished
- virtual, upright and magnified
- virtual, upright and diminished
The wrong rule of sign convention is :
(i) All distances are measured from the centre of curvature of the mirror taken as origin.
(ii) The distances measured along the principal axis in the direction of incident light are positive.
(iii) The distances above the principal axis are taken positive.
- (i)
- (ii)
- (iii)
- both (i) and (ii)
A real and enlarged image can be obtained by using a:
- convex mirror
- plane mirror
- concave mirror
- either convex or plane mirror
The type of mirror used as a reflector in the street lights is :
- plane mirror
- convex mirror
- concave mirror
- parabolic mirror