Images Formed By Lenses

A magnifying glass forms a magnified and real image of an object nearer to the lens.

Identify which lens is used as a magnifying glass:

A convex lens is commonly used as a magnifying glass:

A convex lens is commonly used as a magnifying glass:

What are the uses of magnifying glass?

Both concave and convex lenses are used in spectacles to correct eye-sight. Do you agree with the statement. Explain your reason.

Hypermetropia is corrected by using spectacles containing _____ lenses.

Spectacles containing convex lenses are used to correct short-sightedness.

State any four uses of spectacles.

If the object is placed at $2$F in front of a convex lens, then where will the image be formed?

Which type of lens can form both real and virtual images - concave lens or convex lens?

What are the peculiarities of the image formed on the wall by using the hand lens?

The refractive index of convex lens material is $1.46$. The refractive index of benzene and water is $1.5$ and $1.0$ respectively. From the following statements, identify the correct statement which shows the behaviour of the convex lens when it is kept in benzene and water.

What type of lens is used to correct long sightedness?

What type of lens is used to correct short sight?

Microorganisms can be seen with the help of a _____.

The image formed by a _____ mirror is always of the same size as that of the object.

A convex lens is also called the _____ lens because the light falling on it bends inward.

A concave lens bends the light outward and hence, it is called the _____ lens.

An image that cannot be obtained on a screen is called a _____ image.