Which option is not the law of reflection?

Which part of the eye helps to focus the image?

How many images can be formed when two mirrors are kept parallel to each other.

What is the persistence of vision.

Which part of the eye protects the interior from accidents? 

Image formed in a plane mirror undergoes ___________ Inversion.

_______ cell sense colours in retina

In old age eyesight becomes foggy when it happens person is said to have __________

Sensations felt by the nerve cells are transmitted to the brain through the _______

_________ controls the amount of light entering into the eye

Braille system has ____ dots patterns and characters

Splitting of light into its colours is known as ________ of light

__________ are used in submarines, tanks and also by soldiers in bunkers to see things outside

The comfortable distance at which a person can read is about ______

Lack of __________ in foodstuff is responsible for many eye troubles

An image formed by a mirror the left of the object appears on the right and the right appears on the left this is known as _________

Front balged part of the eyeball is called

If the angle of incidence of light falling on a plane mirror is 30°, what will be the angle of reflection?

If you are standing 2m away from a plane mirror the distance between you and your image are

An interesting feature of a ____________ is that you will never see the same pattern again.

If the two plane mirrors are kept in 24 degree, then it form how many images?

At the junction of the optic nerve and the retina,there are no sensory cells , so no vision is visible at the spot , it is ___________________

At what angle will the reflected ray strike the second mirror?

An image that you can see , but does not really exist is called which of the following

June and Gabriel are standing in front of a plane mirror. June is 5 m form the mirror and Gabriel is 4 m from the mirror. What is the distance between June and the image of Gabriel?

Which of the following best describes the image formed by a plane mirror?

What makes it possible to see an object when looking through a periscope?

what is the nature of the image of an object formed on the retina of human eye?

Nocturnal animals will be having

A series of fast moving still pictures can create an illusion of movement. Why?

A student sitting in the last bench in a classroom cannot see the letters written on the board clearly. But he can see the letters written in his book. Name the defect of vision

Scout P signals to scout Q on the other side of a valley by using a mirror to reflect the Sun’s rays. Which mirror position would allow the Sun’s rays to be reflected to scout Q?

A boy wears a shirt with a letter F on the front. He stands in front of a plane mirror. What does he see in the mirror?

The least distance of distinct vision for a normal human eye is

The sum of angle of incidence and the angle of reflection in the shown picture will be

If ray of light falls perpendicular to the surface of an object, the angle of reflection will be

Two mirrors A and B are placed at right angles to each other as shown in figure. A ray of light incident on mirror A at an angle of 30⁰ falls on mirror B after reflection. The angle of reflection for the ray reflected from mirror B would be

If an object is placed between two plane mirrors which are facing each other and are at an angle of 60⁰ then the number of images of the object that will be formed is

The picture shows reflection from two different surface. The angle of incidence will be equal to the angle of reflection in

X is a surface that cannot produce clear images. What is X?

There are 11 letters in the word 'EXAMINATION'. How many letters of this word are not changed when the word is seen in a plane mirror?

If two plane mirrors are inclined at an angle of 40°, number of images formed will be

If light falls perpendicular on a plane mirror, what will be the angle in which it will be reflected?

Which one of the following statements is correct regarding rods and cones in the human eye?

Name the type of mirror used as a backview mirror.

What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?

The defect due to which a person is not able to see the distant objects clearly:

Angle between incident and reflected ray i.e. angle AOB is