Short-Questions

Fast solutions for complex problems

What is the importance of refraction of light in our daily life?

Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows. Even our eyes depend upon this bending of light.

What would happen if there were no reflection of light?

Without reflection, it would drastically change how we see. We only see because of light bouncing off surfaces and into our eyes. Without reflection light just hits objects and stops. Every object would be like a black hole.

What happens to light when it is reflected?

Regardless of whether light is acting as particles or waves, however, the result of reflection is the same. The reflected light produces a mirror image. The amount of light reflected by an object, and how it is reflected, is highly dependent upon the degree of smoothness or texture of the surface.

How does the reflection of light affect what you see in the mirror?

The mirror can reflect the light into your eyes and you see the image in the mirror instead of on a screen. This image is usually the right way up. The size of the image can be bigger than the real thing like in a make-up mirror, or it can be smaller than the real thing like in a shop security mirror.

What are some examples of refraction of light in daily life?

Give 5 examples of refraction of light in daily life

• Twinkling of stars in a clear sky.
• Pool of water appears to be less deep than what it actually is.
• Rainbow formation in the sky.
• Camera lenses.
• Glasses.

How do reflection and refraction help us in our daily lives?

The rear-view mirror enables the driver to see things behind the car. A microscope uses a mirror to reflect light to the specimen under the microscope. 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.

What would happen if I throw light on the mirror along the normal?

If we throw the light along the normal then the angle of reflection and angle of incidence will be the same and they will be equal to zero degrees. Hence, the light ray will retrace its own path.

What happen if we threw the light on the mirror along the normal?

If light is incident on the mirror along the normal then the angle of reflection and angle of incidence will be same and they will be equal to zero degree . Hence the light ray will retrace its own path .

What is the incident ray?

An incident ray is a ray of light that strikes a surface. The angle between this ray and the perpendicular or normal to the surface is the angle of incidence. The reflected ray corresponding to a given incident ray, is the ray that represents the light reflected by the surface.

How reflected light can be reflected again?

Reflected Light can be Reflected Again When two mirrors are placed opposite to each other, the first mirror reflects light that falls on its surface. When this reflected light falls on the second mirror that is placed, the second mirror also reflects this light.

What are the 3 laws of reflection?

Any mirror obeys the three laws of reflection, flat, curved, convex or concave.

Where do we use refraction in everyday life?

Refraction of light can be seen in many places in our everyday life. It makes objects under a water surface appear closer than they really are. It is what optical lenses are based on, allowing for instruments such as glasses, cameras, binoculars, microscopes, and the human eye.

What is the importance of reflection of light?

To see the non-luminous objects we need two other objects – One, our eye and the other a light source. When light from the source hits the non-luminous object (books, chairs) the light rays are reflected and gets to the observer’s eye and thus we will be able to see it. This is how we see the things around us.

When do you use reflected light in painting?

Reflected Light. Reflected light is an important part of realistic painting. This is especially true when painting outdoors where direct light from the sun is so powerful. Bad landscape paintings have no reflected light or ridiculously exaggerated reflected light.

What do you call the reflection of light on a smooth surface?

This is called specular reflection. Light reflects from a smooth surface at the same angle as it hits the surface. For a smooth surface, reflected light rays travel in the same direction.

When does light reflect at the same angle in all directions?

If the surface is smooth and shiny, like glass, water or polished metal, the light will reflect at the same angle as it hit the surface. This is called specular reflection. Diffuse reflection is when light hits an object and reflects in lots of different directions.