Done by: Tan Yan Wei 1O2 (21)

ObjectivesObjectives History of funhouse mirrorsHistory of funhouse mirrors Law of mirrorsLaw of mirrors Distorted imagesDistorted images Types of mirrorsTypes of mirrors Concave mirrors Concave mirrors Convex mirrorsConvex mirrors SourcesSources

Investigate the types of Investigate the types of mirrors used in fun-mirrors used in fun-houses.houses.

Explain how funhouse Explain how funhouse mirrors give distorted mirrors give distorted imagesimages.

Brought out to people by Brought out to people by Peter Peter Stuyvesant.Stuyvesant.

Inspired by the Palace Inspired by the Palace of Versailles.of Versailles.

Peter Stuyvesant built a house of Peter Stuyvesant built a house of mirrors in New Amsterdam in 1651.mirrors in New Amsterdam in 1651.

The main law for mirrors is that the The main law for mirrors is that the angle of incidence is equals to the angle of incidence is equals to the angle of reflection.angle of reflection.

This picture will make This picture will make

the rule clearthe rule clear.

Even though mirrors are curved, the same rule still applies. While light goes off in all directions from all parts of your body, the only beams that you see in the mirror are the ones that hit your eyes. Beams that are easiest to figure out are beams that are normal to the mirror and beams that come from your eyes, bounce off the mirror, and go right back. Thus, you have to look up to get a perpendicular line for a concave mirror: your eyes appear above you) while convex make you short (you have to look down)

Boy looks like he has longs legs

Girl looks short and fat.

Why?

Distorted Regular

The primary reason for the image The primary reason for the image to be distorted in the mirror is the to be distorted in the mirror is the shape. The more distorted the shape. The more distorted the shape of the mirror is, the less shape of the mirror is, the less authentic the reflection is. Regular authentic the reflection is. Regular mirrors are created to be as flat as mirrors are created to be as flat as possible. When there is a flaw or possible. When there is a flaw or blemish in a mirror, it can be blemish in a mirror, it can be recognised immediately.recognised immediately.

The angle of the funhouse The angle of the funhouse mirror determines exactly what mirror determines exactly what kind of distortion is created. kind of distortion is created. When the mirror bulges When the mirror bulges outwards, it makes the image outwards, it makes the image look short and fat(convex). look short and fat(convex). When the mirror bulges When the mirror bulges inwards, the image looks tall inwards, the image looks tall and thin(concave).and thin(concave).

Perception is the real secret. When one Perception is the real secret. When one looks at himself in a funhouse mirror, looks at himself in a funhouse mirror, the brain will assume that rays of light the brain will assume that rays of light have arrived directly and have not been have arrived directly and have not been reflected. In the regular mirror, the reflected. In the regular mirror, the image seems to be normal. This is image seems to be normal. This is because the brain made the same because the brain made the same assumption with a funhouse mirror, but assumption with a funhouse mirror, but the angle of light has been distorted the angle of light has been distorted and so the brain sees the image as and so the brain sees the image as fatter, taller, longer, wider etcfatter, taller, longer, wider etc..

Concave mirrors :Are Concave mirrors :Are mirrors that bulges inward mirrors that bulges inward and away from the light and away from the light sourcesource

Convex mirrors : Are Convex mirrors : Are mirrors that bulges outwards mirrors that bulges outwards and towards the light sourceand towards the light source.

Concave mirror- image looks big and broad.

Concave mirror- Shorter and fatter images

A converging mirror.A converging mirror. Bulges inwardBulges inward Away from incident light.Away from incident light. Reflects light inward to focal point.Reflects light inward to focal point.

Mirror shows different images types Mirror shows different images types depending on the distance between depending on the distance between the object and mirror.the object and mirror.

Mirror image exists in the same space Mirror image exists in the same space as the real object.as the real object.

Diverging mirrorDiverging mirror Bulges towards the light sourceBulges towards the light source Not used to focus light.Not used to focus light. Forms a virtual imageForms a virtual image Cannot be projected on a screen.Cannot be projected on a screen.

Image of object is larger when it is Image of object is larger when it is closer to the mirrorcloser to the mirroruntil reaching until reaching approximately the size of the object.approximately the size of the object.

Image of object is smaller when it Image of object is smaller when it further from the mirror further from the mirror until it is until it is reduced to a point in the focus when reduced to a point in the focus when the object is at an infinite distance. the object is at an infinite distance. 

http://www.learner.org/teacherslab/science/light/lawslight/funhouse/funhousebackground.html

http://www.learner.org/teacherslab/science/light/lawslight/funhouse/index.html

http://www.ehow.com/how-does_4882490_funhouse-mirrors-work.html

http://en.wikipedia.org/wiki/Curved_mirrors http://www.concavemirrors.net/ http://www.ehow.com/

facts_7664464_history-funhouse-mirrors.html