The inner surface of the reflector of a torch acts as a ............. mirror

The inner surface of a steel spoon acts as a ................ mirror.

_________________lens is also known as a magnifying glass.

An image formed by a concave_______________________ cannot be obtained on a screen.

An image that cannot be obtained on a screen is called ____________________

The mirror which can form a magnified image of an object is both convex and concave mirrors.

A concave mirror always forms an erect and diminished image of the object.

The sides of an object and its image formed by a concave mirror are always interchanged.

A real image cannot be obtained on a screen.

We can obtain an enlarged and erect image by a convex mirror.

Briefly explain why in ambulance words are written laterally inverted.

Explain the term lateral inversion.

Mention the type of image
(a) which can be formed on the screen.
(b) which cannot be formed on the screen.

Which type of mirror can form a real image?

Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.

Mention the type of image formed on a cinema screen.

Explain why concave mirror is known as a converging mirror?

Briefly mention whether mirror change the direction of light.

Last Sunday Girish's mother, Priyanka was preparing the dinner in her kitchen for Girish and his father. Both of them were feeling so much hungry and they sat ideally on their respective chairs and having empty plates and spoons on their dinning table. They were shouting like a 5 years old child that they wanted the dinner so much eagerly in order to fulfil their stomach. At the sometime, Girish's mother served the cooked food to both of them and the moment, when Girish was just about to eat the rice with the help of spoon, he noticed that the spoon has such a shining surface that it reflected the light rays incident on it.
(a) Explain the importance of shining surface in the reflection of light.
(b) Name the type of spherical mirror represented by the shining steel spoon.
(c) Mention the values shown by Priyanka here towards her family.

It was observed that when the distance between an object and a lens decreases, the size of the image increases. What is the nature of this lens? If you keep on decreasing the distance between the object and the lens, will you still able to obtain the image on the screen? Explain

The rear view mirror of a car is a plane mirror. A driver is reversing his car at a speed of 2 m/s. The driver sees in his rearview mirror, the image of a truck parked behind his car. The speed at which the image of the truck appears to approach the driver will be

An image formed by a lens is erect. Such an image could be formed by

A rainbow can be seen in the sky

A virtual image

Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size, whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli respectively are