CBSE Class 6 Science Light Assignment

Q1. Define:

1. Translucent objects

2. Shadow

3. Beam

4. Reflection

5. Umbra

6. Lunar eclipse

Q2. Differentiate between:

1. Ray and beam

2. Translucent and opaque objects

3. Luminous and non-luminous object

4. Divergent and convergent rays

Q3. Fill ups:

1. When light falls on an object, it is ____ back by the object.

2. We can see non-luminous object by the ____ reflected from them.

3. From a luminous body ____ spreads out in all directions.

4. ____ travels in straight line.

5. The shadow is ____ when the object is parallel to the direction of the sun rays.

6. We get an ____ image by the pinhole camera.

7. ____ objects forms shadow.

8. Mirror form images by ____ .

9. In the images formed by a mirror, the left and right sides gets ____.

10. ____ is black while ____ is coloured.

Q4. What happens to the size of the shadow when …….

a. The distance between the light source and the object increases.

b. The distance between the object and the screen increases.

Q5. Give one word answer:

1. Partially lit part of the shadow surrounding the umbra.

2. This travels in straight lines.

3. This layer is the main reflecting surface of a mirror.

4. These objects emit light.

Q6. Answer the following:

1. What is a solar eclipse? Explain with a diagram.

2. How are mirrors made?

3. Would shadows form if light did not travel in straight lines?