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Concave and Convex Mirrors

A smooth poli...

Question

A smooth polished surface that can return the rays of light and form a clear image is called a

(a) lens
(b) glass
(c) mirror
(d) all of these

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Solution

(c) mirror

A smooth polished surface that can reflect the light and form a clear image is called a mirror.

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Similar questions

Q. A smooth polished surface which can return the rays of light into the same medium is called
(a) mirror
(b) lens
(c) prism
(d) table top

Q. Fill in the blanks with the correct words.

1. We get diffused reflection from a .................... (rough/smooth) surface.
2. A smooth polished surface that can return the rays of light incident on it to form a clear image is called a .................... (lens/mirror).
3. Convex and concave mirrors can both form .................... (real/virtual) images.
4. A lens is made of a .................... (translucent/transparent) material.
5. .................... (White/Blue) light consists of many colours.

Q. Fill in the blanks:
1. The phenomenon of turning back of light into the same medium on striking a polished surface is called ........................ of light.
2. A ........................ image is always inverted.
3. In a spherical mirror, if the reflecting surface is on the outside, it is called a ........................ mirror.
4. ........................ lens is thicker in the middle and thinner at the edges.

Q. In case of a mirror virtual image is formed and the incident rays appear to meet but if we see reflections in highly polished surfaces where is the image formed? for example a polished wooden table or a glass

Q. Fill in the blanks using the correct word given in the bracket:
1. Light is a form of ............................ . (energy/electricity)
2. All bodies which emit light energy by themselves are called ............................ bodies. (luminous/opaque)
3. Light travels in a ............................ line. (straight/curved)
4. A glowing electric bulb is an example of ............................ source of light. (natural/artificial)
5. Any polished surface from which regular reflection takes place is called a ............................ . (mirror/obstacle)
6. Reflection from a mirror gives clear ............................ . (image/shadow)
7. The shadow of a coloured object is ............................ . (coloured/black)
8. The image formed by a mirror is due to ............................ of light. (reflection/ propagation)

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