Fill in the following blanks with suitable words:
(a) A convex lens .................. rays of light, whereas a concave lens .................. rays of light.
(b) Lenses refract light to form images: a..................... lens can form both real and virtual images, but a diverging lens forms only ...................... images.

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Solution

(a) A convex lens converges rays of light, whereas a concave lens diverges rays of light.
(b) Lenses refract light to form images: a converging lens can form both real and virtual images, but a diverging lens forms only virtual images.

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Fill in the following blanks with suitable words : (a) A convex lens ___ rays of light, whereas a concave lens___ rays of light. (b) Lenses refract light to form images : a ___lens can form both real and virtual images, but a diverging lens forms only___ images.

Q. Lenses refract light to form images : a .......... lens can from both real and virtual images, but a diverging lens forms only ......... images.

Q. Fill in the following blanks with suitable words:

(a) Parallel rays of light are refracted by a convex lens to a point called the ........
(b) The image in a convex lens depends upon the distance of the ........... from the lens.

Fill in the following blanks with suitable words : (a) Parallel rays of light are refracted by a convex lens to a point called the___ (b) The image in a convex lens depends upon the distance of the ___ from the lens.

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.

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(a) A convex lens converges rays of light, whereas a concave lens diverges rays of light. (b) Lenses refract light to form images: a converging lens can form both real and virtual images, but a diverging lens forms only virtual images.

(a) A convex lens converges rays of light, whereas a concave lens diverges rays of light.
(b) Lenses refract light to form images: a converging lens can form both real and virtual images, but a diverging lens forms only virtual images.