Question

Fill in the blanks:-

1. Light travels along a _______ line.
2. In a plane mirror the image is formed_______ the mirror.
3. Any polished or shining surface acts like a _________.
4. An image which can be obtained on a screen is called a ________.
5. An image that cannot be obtained on a screen is called a ________.
6. A _______ mirror can form a real and inverted image.
7. A lens is ________ and light can ________ through it.
8. Image formed by a convex ________ is always virtual and smaller in size.
9. An image formed by a concave _______ cannot be obtain on a screen.
10. An image formed by a _______ mirror is always of the same size as that of the object.
11. In convex lens, when object is placed very close to the lens, the image is _______, _______ and _______.
12. A ___________ glass is used to read very small print.
13. A _________ splits white light into its __________ colour.

Answer 1

1. straight

2. laterally inverted in

3. reflector

4.real image

5.virtual image

6.concave mirror

8.convex

9.lens

10.plain

13.prism

Answer 2

$\huge\underline\mathfrak\pink{Answer}$

1. Light travels along a $\bold\red{straight}$ line.

2. In a plane mirror the image is formed $\bold\red{behind}$ the mirror.

3. Any polished or shining surface acts like a $\bold\red{mirror}$ .

4. An image which can be obtained on a screen is called a $\bold\red{real \:image}$ .

5. An image that cannot be obtained on a screen is called a $\bold\red{virtual \:image}$.

6. A $\bold\red{concave}$ mirror can form a real and inverted image.

7. A lens is $\bold\red{transmissive}$ and light can $\bold\red{pass}$ through it.

8. Image formed by a convex $\bold\red{mirror}$ is always virtual and smaller in size.

9. An image formed by a concave $\bold\red{lens}$ cannot be obtain on a screen.

10. An image formed by a $\bold\red{plane}$ mirror is always of the same size as that of the object.

11. In convex lens, when object is placed very close to the lens, the image is $\bold\red{highly\:diminished}$ , $\bold\red{virtual}$ and $\bold\red{erect}$ .

12. A $\bold\red{magnifying}$ glass is used to read very small print.

13. A $\bold\red{prism}$ splits white light into its $\bold\red{constituent}$ colour.

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