You must have seen the laughing gallery (in science centres/parks/fairs) where you can see distorted and funny images in different - Science - Light

Question

Y o u   m u s t   h a v e   s e e n   t h e
  l a u g h i n g   g a l l e r y   ( i n   s c
i e n c e   c e n t r e s / p a r k s / f a i r s )   w h
e r e   y o u   c a n   s e e   d i s t o r t e
d   a n d   f u n n y   i m a g e s   i n
  d i f f e r e n t   m i r r o r s U sin g   y o u
r   f a m i l y p h o t o g r a p h s   f r o m   a
n   o l d   a l b u m ,   a n d   p i e c e s
  o f   d i f f e r e n t   t y p e s   o f
  m i r r o r s   ,   t r y   t o   c r e
a t e   y o u r   o w n   l a u g h i n g   g a
l l e r y

Deepak Kumar · Accepted Answer

Dear Student ,

Concave mirrors are used by dentists because at a short range
,object distances less than the focal length,they produce
magnified, upright images