Download presentation

Presentation is loading. Please wait.

1
Shadows

3
Floor

5
Wall

7
Torch

9
Solid Object

11
Turning torch on

13
Light rays from torch

14
Light rays from torch absorbed and reflected by wall.

16
It is the reflected light that allows us to see the wall

17
Light rays from torch absorbed or reflected by object

19
It is this diffused reflection of the light that allows us to see the wall and object. These reflected rays also allow us to see the back of the object and the wall without direct torch light

22
No direct light from torch

26
Shadow of object on wall.

27
The shadow is higher than the object.

28
This is due to the angle formed by the light rays hitting and missing the object

29
We can change the height of the shadow by moving the object and the torch.

Similar presentations

Presentation is loading. Please wait....

OK

7-3 Proving Triangles Similar

7-3 Proving Triangles Similar

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on schottky diode bridge Ppt on operating system overview Slideshare ppt on leadership Ppt on acid-base indicators in everyday life Ppt on statistics and probability made Ppt on save water for class 6 Convert pdf to ppt online free download Download ppt on threaded binary tree Ppt on leadership development Ppt on current indian economy 2013