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the lense focuses all the sun rays to 1 pint there by creating a more stronger heat ray. so it burns the paper
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∙ 11y ago
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Can you burn a piece of paper using a convex lens and a bulb of 500 W?
yes, we can as we all know convex lens is a diverging lens,so,it diverges the rays of the sun .When the lens is placed over a paper,it diverges the rays,as a result of which paper burns
How do you make a piece of paper disappear?
Just burn it!
Why you should not use a piece of burning paper to light the Bunsen burner?
the gas from the Bunsen burner will cause the existing flame to flare and burn the entire piece of paper and your fingers - and the lab. it's difficult to blow out the burning paper.
Why does a piece of paper begin to burn when it is put under a magnifying lens for sometime?
The concentrated sunlight on a small spot causes the spot to heat up until hot enough to smoulder. It will burst into flames once the papers flash point has been reached.
Why a paper held in sunshine at focus of a convex lens burns?
The sunlight passing through the glass is concentrated onto the paper thus causing the paper is burn slightly. If you gently blow onto the paper a fire will start because fires need oxygen so the oxygen that you breathed onto the paper causes the fire.
Can you burn a piece of paper using a convex lens and a bulb of 500 W?
yes, we can as we all know convex lens is a diverging lens,so,it diverges the rays of the sun .When the lens is placed over a paper,it diverges the rays,as a result of which paper burns
How do you burn the eges of a piece of paper?
with a lighter
How do you make a piece of paper disappear?
Just burn it!
What clear liquid can you cover a piece of paper and put it to flames and the piece of paper you not burn up?
Water. But not indefinitely.
Why doesn't a paper cup burn if you put it under a Bunsen burner?
It does not burn because it is putting it out basically.
Why must the paper touch the flame to burn a piece of paper?
The products contain more energy than the reactants.
What would we observe if we put a plastic cap on a piece of paper over a burning flame?
we would the cup and the paper burn like when you put news paper on a bbq.
Why you should not use a piece of burning paper to light the Bunsen burner?
the gas from the Bunsen burner will cause the existing flame to flare and burn the entire piece of paper and your fingers - and the lab. it's difficult to blow out the burning paper.
What happens when you burn a paper with lemon juice on it?
When you put lemon juice on a piece of paper, then place the paper on a heat source, the parts soaked with the juice will burn faster and turn a dark brown. This chemical reaction is based upon the properties that define acids and bases. The paper with the acid lemon juice is weakened by the acid, and will burn faster.
Is tearing a piece of paper in half a physical change?
tearing a piece of paper is a physical change because when you rip it,it is still a piece of paper but lets say that u burn a piece of paper its a chemical change couse you cant change it back to wood again
Parchment paper under cake instead of shortening will it burn the bottom of your cake?
It shouldn't, no.
What is result if a piece of magnesium ribbon burn and place the white ash in 5ml of water in a test tube with a red litmus paper?
The red litmus paper will turn blue.
