NCERT Solutions for Class 6 Science Chapter 11 Light, Shadows and Reflections

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.

These NCERT Solutions 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 solutions.

Chapter 11 of NCERT Solutions for Class 6 Science 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:

The given boxes can be rearranged to form ‘Opaque Objects Make Shadows’ as shown below

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:  A piece of rock, a sheet of aluminium, a mirror, a wooden board, a CD, an umbrella, a wall, a sheet of carbon paper,  a sheet of cardboard.

Transparent: Air, water, a sheet of plane glass.

Translucent: A sheet of polythene, smoke, fog, a sheet of cellophane, a wire mesh.

Luminous: A piece of red hot iron, a lighted fluorescent tube, the flame of a gas burner, a lighted torch, sun, firefly, kerosene stove.

Non – luminous: Air, water, a piece of rock, a sheet of aluminium, a mirror, a wooden  board, a sheet of polythene, a CD, smoke, a sheet of plane glass, fog, an umbrella, a wall, a sheet of carbon paper, a sheet of cardboard, a sheet of cellophane, a wire mesh, 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 due to darkness. 

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NCERT Solutions for Class 6 Science Chapter 11 Light, Shadows and Reflections Important topics 

• Transparent, opaque and translucent objects
• What exactly are shadows?
• A pinhole camera
• Mirrors and reflections

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