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Lighting fire with magnifying glass (Educational Science Flash Animation)

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Free Science Animation
Free animation on science & Technology
(Download Product Details) 720 kb


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Overview

(For age - group : Below 16 )

The application of convex lens to focusing light rays at a single point is explained in this school science animation, also find out how an ice can also be used for burning. Useful for understanding application of lenses.

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Convex lens can be used to light up fire by concentrating the sun's rays at a point. Since the lens is located very far from the sun, the rays reaching the lens are essentially parallel.

A beam of parallel light rays after passing through a convex lens converge at its focus. The object which is to be burnt should be placed at the focus of the convex lens. The lens focuses not only the sunrays but also their radiant energy at a single point which lights up fire.

Even ice carved in a shape similar to convex lens can be used to light fire. The ice to be used should highly transparent and it'll behave as if it's a convex lens.

If you are still unclear about the concepts, please refer the animation below.

Besides the animation of the above concepts in detail the animation file also consists of the following in the explanatory notes section

what is meant by focal length ?
Can a concave lens light a fire ?
Why does paper burn ?
Can a paper be burnt by focussing light from a bulb ?
How can sun situated so far away burn a paper ?

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Size (KB)	93	269	US$ 9.00
Time (hr:min:sec)	0:1:0 Preview	0:5:0	Add To Cart

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Pay Thru PayPal Besides the animation of the above concepts in detail the animation file also consists of the following in the explanatory notes section What is meant by focal length? Can a concave lens light a fire? Why does paper burn? Can a paper be burnt by focussing light from a bulb? How can sun situated so far away burn a paper?

Prices are for single user license, refer for School license here, You can also Subscribe to view full animation, More .. Note: (Some full version software does not contain sound),

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