Use of reflection of light and its use in engineering
Answers
Applications of Reflection of Light in Daily Life
Meters like ammeters and voltmeters use a mirror to avoid parallax error. The reading is taken from a position such that the image of the pointer is directly under the pointer.
Applications of Reflection of Light in Daily Life
The wing and rear-view mirrors of a car are made of a convex and a plane mirror respectively. The two wing mirrors enable the driver to see objects on both sides of the car. The rear-view mirror enables the driver to see things behind the car.
Applications of Reflection of Light in Daily Life 1
A microscope uses a mirror to reflect light to the specimen under the microscope.
Applications of Reflection of Light in Daily Life 2
An astronomical reflecting telescope uses a large parabolic mirror to gather dim light from distant stars. A plane mirror is used to reflect the image to the eyepiece.Applications of Reflection of Light in Daily Life 3
Parabolic mirrors are used in torches and car headlamps as reflectors. A small lamp is placed at the focus point of the mirror to produce parallel rays.Applications of Reflection of Light in Daily Life 4
Concave mirrors with long focal length can be used as shaving mirrors or make-up mirrors as they form magnified and upright images.Applications of Reflection of Light in Daily Life 5
Concave mirrors are also used by dentists to examine the teeth of a patient. The concave mirror forms a magnified image of the teeth.
Applications of Reflection of Light in Daily Life 6
A convex mirror has a wider view than a plane mirror. Therefore, convex mirrors are used as driving mirrors and as shop security mirrors.