and Optics

Light

Designed By Miyav

“Light illuminating the

temple and it’s reflection in

a pond”

“The science of Light and is it’s

related study is called “optics”

Things we use

every day are

based on

principles of

“optics”

Things we use

every day are

based on

principles of

“optics”

Things we use

every day are

based on

principles of

“optics”

“Light is straight” and reflecting !

Light travels in straight line, whereas sound travels in all directions

Light rays

You need sound horn to alert incoming car from opposite side

Sound

wave

Light rays

Light reflected

Image of

“Hill”

Hil

lmirror

Which objects reflect Light? Why?

Any polished or

shining surface

Which objects reflect Light?

Why?

Any polished or

shining surface

Pure water in white

transparent

containers

image virtual or real?

Virtual image

Mostly

results from

plane

mirrors

an image which

can’t be captured

Real image

Mostly

obtained

from

lenses/came

ras

a image which

can be captured

erect image

image size

same as

object

an image formed

by plane mirror

Left to right

image size

same as

object

an image formed

by plane mirror

concave

surface

convex

surface

Normal

image

Inverted

image

normal image

concave

mirror

convex

mirror

Inverted

image

lenses

mirror reflects

incoming light

rays

In lenses, incoming

light rays are

passed through

rays converges from convex

lens

rays diverges from concave

lens

convex lens

Sunlight and rainbow

rainbow

colours

V I B G Y O R

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Why Sunlight which is normally white in color becomes seven colour in rainbow?

When Sunlight pass through prism, it is spilited into seven colours

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Why Sunlight which is normally white in color becomes seven colour in rainbow?

Similarly water droplets (when it’s raining) acts as prism and rainbow appears

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Thanks

www.miyav.in