plz give me the answer for these three questions
ray diagram
the definition of law of reflection
the characteristics of plane mirror
Answers
Answer:
Of second question the answer is May be, The law of reflection of light is
The incident ray, reflected ray and normal all lie on the same plane.
The angle of incidence and angle of reflection are equal.
and
The characteristic of plane mirror is
we use plane mirror to see ourselves.
it also use in parlour and jewellery shop to make it large in looking.
Answer:
Laws of reflection -
1)angle of incidence =angle of reflection
2)the incident ray, the reflected ray, the normal on the point of intersection all lie on the same plane.
The characteristics of image formed by plane mirror -
1)erect
2)virtual
3)same size as the object
4)image is formed as far behind the mirror as the object is in front of it.
5)left-right reversed
Uses of plane mirror -
1)used for looking at our reflection
2)in shooting for reflecting light
3)in periscope, kaleidoscope
4)in a barber's shop to see back reflection.