NCERT Solutions for Class 6 Science Chapter 11 Light, Shadows and Reflections provided here will aid you in better understanding of the concepts involved in the CBSE Class 6 syllabus. Detailed answers and explanations provided in this page will clear all your doubts on concepts of light.
This NCERT solution is a crucial resource as Chapter 11 has a good weightage of marks being asked in class 6 examination every year. Light is also a very basic concept to which many advanced topics are interrelated. Hence, it is very important for the students to get well versed with this chapter solution.
This solution covers the concept of opacity, transparent objects, translucent objects, the formation of shadows, concepts of reflection, forming pinhole camera, mirror and its uses.
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Exercise Questions
1. Rearrange the boxes given below to make a sentence that helps us understand opaque objects.
Solution:
2. Classify the objects or materials given below as opaque, transparent or translucent and luminous or non-luminous:
Air, water, a piece of rock, a sheet of aluminum, a mirror, a wooden board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, a piece of red hot iron, an umbrella, a lighted fluorescent tube, a wall, a sheet of carbon paper, the flame of a gas burner, a sheet of cardboard, a lighted torch, a sheet of cellophane, a wire mesh, kerosene stove, sun, firefly, the moon.
Solution:
| Opaque | Transparent | Translucent | Luminous | Non-luminous |
| a piece of rock | Air | A sheet of polythene | A lightened fluorescent tube | A mirror |
| a sheet of aluminum | Water | Fog | the flame of a gas burner | A piece of rock |
| A CD | A sheet of plane glass | A sheet of cellophane | a lighted torch | A wire mesh |
| Smoke | Firefly | Iron | ||
| Iron | Stove | A wall | ||
| An umbrella | Sun | |||
| A wall | Moon |
3. Can you think of creating a shape that would give a circular shadow if held in one way and a rectangular shadow if held in another way?
Solution:
Yes,
4. In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?
Solution:
No, in a dark room, a mirror reflection of the image will not be shown as the light will not fall on the mirror to reflect the image.
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NCERT Solutions for Class 6 Science Chapter 11 Light, Shadows and Reflections Important topicsÂ
- transparent, opaque and translucent objects
- What exactly are shadows?
- a pinhole camera
- mirrors and reflections
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Frequently Asked Questions on Chapter 11 Light, Shadows and Reflections
Name some Transparent objects or materials?
Air, Water, A sheet of plane glass etc.,
Name some non-luminous objects or materials?
A mirror, Iron, A wire mesh, A piece of rock etc.,
Name some Opaque objects or materials?
a sheet of aluminum, Smoke, Iron etc.,
