Advertisements
Advertisements
Question
A convex mirror is used as a shaving mirror.
Options
True
False
Advertisements
Solution
False.
APPEARS IN
RELATED QUESTIONS
With the help of an appropriate ray diagram, state the sign conventions for reflection by a spherical mirror.
List four specific characteristics of the images of the objects formed by convex mirrors.
A student wants to project the image of a candle flame on the walls of the school laboratory by using a mirror.
(a) Which type of mirror should he use and why?
(b) At what distance, in terms of focal length 'f' of the mirror, should he place the candle flame to get the magnified image on the wall?
(c) Draw a ray diagram to show the formation of the image in this case.
(d) Can he use this mirror to project a diminished image of the candle flame on the same wall? State 'how' if your answer is 'yes' and 'why not' if your answer is 'no.'
If the focal length of a convex mirror is 25 cm, what is its radius of curvature?
For what position of an object, a real and diminished image is formed by a concave mirror?
An object is placed at the following distances from a concave mirror of focal length 15 cm, turn by turn:
(a) 35 cm
(b) 30 cm
(c) 20 cm
(d) 10 cm
Which position of the object will produce:
(i) a magnified real image?
(ii) a magnified virtual image?
(iii) a diminished real image?
(iv) an image of same size as the object?
Giving reasons, state the 'signs' (positive or negative) which can be given to the following:
(a) object distance (u) for a concave mirror or convex mirror
(b) image distance (v) for a concave mirror
(c) image distance (v) for a convex mirror
Write down a formula for the magnification produced by a concave mirror.
in terms of height of object and height of image
Complete the following diagrams in figure by drawing the reflected rays for the incident rays 1 and 2 if F is the focus and C is the centre of curvature.

Which type of mirror is used in the following?
Shaving mirror
