Light, Shadows and Reflections | Class 6 Science | Online Classes | Session 1 - Swiflearn

Описание: Light, Shadows and Reflections | Light, Shadows and Reflections Class 6 | Light, Shadows and Reflections Class 6 Science | Live Online Classes | Online Class 6 | Swiflearn Online Classes | Swiflearn Online | Swiflearn

This is Session 1 of the Chapter: Light, Shadows and Reflections from Class 6 Science. In this session, Yashika Mam will take you through the following Important topics from the Chapter: Light, Shadows and Reflections from Class 6 Science.

00:00 - Introduction
11:36 - What is light?
16:31 - Luminous object
21:58 - Non- Luminious Object
24:17 - Transparent Objects
27:30 - Opaque objects
33:40 - Let's Practice
36:35 - Shadow

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Light, Shadows and Reflections

Luminous object–The object which produces its own light. Example: Sun, fire non-luminous object– The object which does not produce its own light and is visible by reflecting light falling on its surface. Example -Table, planets. Non-luminous objects can be classified as: Transparent object–The object which allow light to pass through it resulting in complete visibility through it. Eg: glass translucent object–The object which allows only a part of the light to pass through it resulting in partial visibility through it. Eg: butter paper Opaque object–The object that does not allow light to pass through it resulting in zero visibility through it. Eg: wooden door Shadows–A dark area or shape produced by a body coming between rays of light and a surface. How to Make a Pinhole Camera? Step 1:Take two cardboard boxes one larger than the other such that one box slides into the other without any gap. Step 2:Cut out open one side of each box. On the opposite side of the larger box cut a small hole in the centre. Step 3:On the opposite side of the smaller box cut a square of about 5 cm and cover this open area with a tracing paper. Step 4:Slide the smaller box inside the larger one such that the side with the tracing paper is on the inside. Step 5:Cover the camera and your head with a black cloth and then get ready to observe the distant objects. It is a simple camera with a small aperture and forms an inverted image of the object. Mirror and Reflection Mirror–Any shiny surface which reflects light. Reflection–The action of light bouncing back off an object.
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