Question

q1 name the type of mirror which is used in the headlights of a car. why is it used for this purpose?
q2 which type of mirror is used in a solar furnace? support your answer with reason.
q3 name the type of mirror used by dentists. how does it help?
q4 explain why, concave mirrors are used as shaving mirrors

Answer 1

1). concave mirror....because the mirror converge the light rays coming from the bulb (kept at focus) and hence the rays are reflected back in the form of long parallel rays

2). concave mirrors......because they r the only that reflects light in towards a single focal point

3). concave mirrors.....because they magnifies the image at that distance which is helpful to the dentists

4). concave mirrors...... because they magnifies the image if the object (man) is at that distance i.e. that closer to the mirror