Light - QS Study
top logo

Reflection of Light on different Objects or Surfaces

Task: The differences in reflection of light on different objects or surfaces. Required accessories: A reflector or mirror, a piece of wood, one page of......

Definition: Absorption of Light and Reflection of Light

When light falls on an object, if it is obstructed and returns back, it is called reflection of light. When light falls on an object......

Experiment: How Light Travels

Experiment: How Light Travels Task: Take three note book covers of the same site. Place one cover after another in way that all the edges......

How We See with the Help of Light?

Task: To know how we see with the help of light. Required accessories: One shoe box, stone chip and some black paper. Procedure: Take a......

Explain Uses of Refraction in our Daily Life

There is a convex lens in our eyes. When we seen an object, the light from the object, being refracted by the lens of the......

Explain Perceptions of Coloured Object

When we see an object, then the light from the object falls on our eyes. The light being refracted by the lens of eye forms......

Explain Defects of Vision and its Remedy

The range of vision of a normal eye is 25 cm to infinite distance. This means that normal eye can see any object at a......

Function of an Eye in terms of Lens

We have known earlier that there is a convex lens just behind the pupil of the eye which is called eye lens. It is necessary......

Explain on Human Eye in Terms of Lens

The structure and functions of human eyes are similar to a camera. We know that photograph is taken by keeping the object before a camera.......

Advantage of Having Two Eyes

If we see an object by our two eyes we can only see a single object. Though each eye forms individual images on their own......

Explain Least Distance of Distinct Vision

From our daily experience, we see that the closer the object is to the eyes the clearer it is to see. But, there is a......

Explain on Accommodation of Eye

Aqueous humour and Vitreous humour: The saline watery fluid that fills up the space between the eye lens and cornea is called aqueous humour. On......

Explain Sign Convention

All distances are to be measured starting from the optical centre of the lens. All real distances are positive and real distances means the distance......

What is Power of Lens

Suppose there are two convex lenses. The focal length of the fast one is greater and the focal length of the second one is smaller.......

Explain Image of an Extended object Concave Lens

Suppose LOL1 is a concave lens. FOF’ is its principal axis, O is its optical centre and F is its principal focus. An extended object......