Table of Contents
Why convex mirror is not used in torches?
A concave mirror is used in torch lights , because the light ray from the source placed on the focus of a concave mirror are reflected in such a way that the reflected ray are strong, straight,and parallel.
Is torch a convex mirror?
Concave mirror is used as torch reflector.
Which mirror is used as a torch reflector and why?
A concave mirror is used as a torch reflector. Light bulb placed at the focus of a torch reflector: When a light bulb is placed at the focus of a concave mirror reflector, the diverging light rays of the bulb are collected by the reflector.
What devices use concave mirrors?
Uses Of Concave Mirror
- Shaving mirrors.
- Head mirrors.
- Ophthalmoscope.
- Astronomical telescopes.
- Headlights.
- Solar furnaces.
Which mirror used in torch?
Concave mirrors
Concave mirrors in torches and headlights are used as reflectors. The source of light is placed at the focus of a concave mirror such that the light rays emerge out as parallel beams, after getting reflected in the mirror.
What is the use of a concave mirror in a torch?
Concave mirror is used to throw the light to the maximum possible distance in a torch the bulb is placed at the focus of a concave mirror and in the light approaches the concave mirror it reflects back all the light make parallel beam of light Ray.
When to use a concave mirror for shaving?
During shaving, the concave mirror forms an enlarged and erect image of the face when the mirror is held closer to the face. Concave mirror uses in the ophthalmoscope Concave mirrors are used in optical instruments such as Ophthalmoscope. Ophthalmoscope consists of a concave mirror with a hole in the center.
How are concave mirrors used in optical instruments?
Concave mirrors are used in optical instruments such as Ophthalmoscope. Ophthalmoscope consists of a concave mirror with a hole in the center. The doctor focuses through the small hole from behind the concave mirror while a light beam is directed into the pupil of the patient’s eye.