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The concave face of the mirror concentrates the sun's rays onto a small area of the paper. This concentration heats up the paper to flash point, after which it will burst into flames.

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What is the shape of displasement time graph for uniformly accelerated motion?

The displacement-time graph for uniformly accelerated motion is a curve that is concave upwards. It starts with a less steep slope and gradually becomes steeper as time progresses due to the acceleration being constant.


What is the inverted U function?

The inverted U function, also known as an upside-down U function or concave function, is a mathematical function that first increases, reaches a maximum point, and then starts decreasing. It is commonly used to describe phenomena where an optimal level exists, beyond which the effect diminishes.


Why is it important to stop heating when the temperature starts increasing?

Stopping heating when the temperature starts increasing is important to prevent overheating, burning, or damaging the material being heated. It can also help avoid safety hazards and maintain control over the cooking process.


How is chemical energy stored and released?

Chemical energy is held in the bonds between the atoms of molecules and is released when these bonds are broken, as in burning. Such a reaction usually starts by applying heat to activate the burning process. As the chemical burns, bonds break, and energy escapes as heat and light.


What are the transformations of energy that take place when you strike a match and then light a candle?

When you strike a match, the mechanical energy from your hand is transformed into thermal energy from the friction, causing the match to ignite. Once the match ignites, the chemical potential energy stored in the match head is converted into thermal energy and light energy that starts the candle wick burning.

Related Questions

What is the difference between a concave slope and convex slope?

Standing on the top of a concave slope means you can not see down to the bottom due to the bulge in the middle. A concave slope starts gently and gets steeper, once over the bulge, near the bottom. Standing on a concave slope means that you can see the bottom of the slope. A concave slope starts off steeply and becomes less steep near the bottom.


Why must covering the crucible with its lid as soon as the magnesium starts burning?

why Covering the crucible with its lid as soon as the magnesium starts burning


What is the name of the song that starts off with Mira Mira show her something to love?

Mirror, Mirror by Jane Taylor


Does chili start burning as soon as you put it in your mouth?

No, it starts burning a Millisecond after you put it in your mouth.


What do you call it when your tooth starts burning?

Tooth Burn


What Something in the restroom that starts with g?

glass mirrorgel (shower gel)glass mirror


How do you program the mirror garage door opener on a 2012 Hyundai Tucson?

Press and hold the desired "Home" garage button on the mirror until it starts blinking (approx 20 seconds)… Do not release… Press and hold the button on the hand-remote until the the light on the mirror starts blinking at a much higher rate. Tip: Hold the hand-remote approximately 4-6 inches from the mirror. Done.


When does a substance start burning?

A substance starts burning when it reaches its ignition temperature and is exposed to oxygen. This leads to a chemical reaction known as combustion, releasing heat and light.


Why does bread go brown when you put it in a toaster?

Because the bread dries out as a result of the heat then starts burning.


Sliding down a rope can burn you?

yes because there is friction and friction produce sparks and it starts burning.


How long does a car last once it starts burning oil?

not to long at all you need to fill it up


Why is there a burning smell when the heat has been on for a while?

Sounds like your heater has dust bunnies and needs a good cleaning, when dust or fluff heats up it starts to singe or burn causing the burning smell.