Introduction of Image

Q.

State the condition under which no refraction occurs even when light travels from one medium to another.

Q.

Can an image be formed without a screen?

Q.

The apparent reproduction of an object, formed by a lens or mirror system from reflected, refracted, or diffracted light waves is called ___

Q.

Image is formed when

1. Light rays from object meet or seem to meet at a point.

2. Light rays from object meet at a point

3. Light rays from object seem to meet at a point.

4. Light rays from object diverge away

Q. An image is formed only when two rays meet at a point.

1. False
2. True

Q.

What is the condition for shadow formation?

1. Shadows are formed when an opaque object comes in the path of light

2. Its an imaginary ghost

3. Shadows are formed when a transparent object comes in the path of light

4. Shadows are formed when an opaque object comes in the path of object

Q.

Which of the following is/are image?

1. Reflection of your face in the mirror

2. Shadow of an object on the ground

3. Vehicles following you in the rear view mirror of a car

4. A thicker/thinner version of your hand when seen through a clear transparent bottle full of water.

Q. What is the exact defination of an image?

Q.

Image provides a lot of information like colour, shape, etc. Shadows are vague and don’t provide any information

1. False

2. True

Q. An image is formed only when two rays meet at a point.

1. False
2. True

Q. People cast a shadow on the ground because they block:

1. View
2. Light
3. Scene
4. Way

Q. Light rays from a point object meet or appear to meet at a point called:

1. Source
2. Image
3. Swap
4. Mirror