Ch-7 Light, Shadow and Reflection
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Physics
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6th - 7th Grade
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Easy
Kushagra Sethia
Used 4+ times
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6 Slides • 1 Question
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Ch-7 Light, Shadow and Reflection
Made By - Kushagra Sethia
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Classification of Objects
Objects are classified into Luminous and Non-Luminous objects.
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Classification of Objects on Amount of Light that can pass through them. on the basis of them.
Objects through which no light can pass are called OPAQUE OBJECTS.
Object through which light can pass completely are called TRANSPERANT OBJECTS.
Objects through which light can pass partially are called TRANSLUCENT OBJECTS.
To know more about Classification of Objects on Amount of Light that can pass through them. Refer this link -
https://www.youtube.com/watch?v=P6Uihn8V3h4
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Open Ended
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Pinhole Camera
It is a simple camera, without lens
It is in the shape of the box
It forms an inverted image
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Rectilinear Propagation of Light
This property of light states that light travels in a straight line.
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Reflection of Light
Change in the direction of light / bouncing of light when it falls on the surface of an object.
It contains -
Incident Ray : The ray of light which strikes any surface.
Reflected Ray : The ray that comes back from the surface after reflection.
Angle of Incidence : The angle between the normal and incident ray.
Angle of Reflection : The angle between the normal and reflected ray.
Normal : At the point of incidence where the ray strikes the mirror, a line can be drawn perpendicularly to the surface of the mirror.
Ch-7 Light, Shadow and Reflection
Made By - Kushagra Sethia
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