Advertisements
Advertisements
Question
You are provided a convex mirror, a concave mirror and a plane mirror. How will you distinguish between them, without touching or using any other apparatus?
Solution
We can identify convex mirror, concave mirror, and a plane mirror by looking at them one by one.
- If the size of the image of an object is of the same size as that of the object, then that mirror is a plane mirror.
- If the size of image of an object increases as the object is brought closer to the mirror and the size of the image of the object decreases when the object is taken away from the mirror, then that mirror is a concave mirror.
- If the size of the image of an object remains diminished, either the object is moved away from the mirror or moved towards the mirror, then that mirror is a convex mirror.
APPEARS IN
RELATED QUESTIONS
Select the correct alternative
The image formed by a plane mirror is
Draw a figure showing the following.
- Incident Ray
- Normal
- Angle of incidence
- Angle of reflection
- Point of incidence
- Reflected ray
State which surface of a plane mirror reflects most of the light incident on it: the front smooth surface or the back silvered surface.
An object is placed 2 cm from a plane mirror. If the object is moved by 1 cm towards the mirror, what will be the distance between the object and its new image?
Give two uses of concave mirror.
Identify the following kind of beam of light.
Complete the ray diagram to show the image observed by the eye after reflection in the following figure.
The light ray gets _______ when it falls on any polished surface.
