Uses of Concave Mirrors

Q.

When an object is kept within the focus of a concave mirror, an enlarged image is formed behind the mirror. This image is:

1. real

2. inverted

3. virtual and inverted

4. virtual and erect

Q.

The mirror used by ENT specialists is

1. Plane

2. Concave

3. Convex

4. None of these

Q.

Dentists use a ____ mirror to magnify the image of the tooth of a patient.

1. parabolic convex

2. plane

3. concave

4. convex

Q.

For a real object, which of the following is true corresponding to the image formed by a concave mirror?

1. cannot form a virtual image

2. Real image is always diminished

3. Virtual image is always magnified

4. Virtual image is always inverted

Q.

Which type of mirror can form a real image?

Q.

Which of the following is not an application of a concave mirror?

1. Make-up mirror

2. Reflecting telescope

3. Rear-view mirror

4. Solar cooker

Q.

If we place our face very close to a concave mirror we see a diminished and inverted image.

1. True
2. False

Q.

A concave mirror always forms a virtual image.

1. True
2. False

Q. In the concave mirror, will the image formed always be inverted?

Q.

State True or False.
If we bring a concave mirror too close to us, we see an erect and magnified image of ourself.

1. True

2. False

Q.

Choose the correct option for the mirrors used in solar cookers.

1. mirrors are used to reflect sunlight on the the cooker thus more heat.

2. mirrors diffuse light in all direction.

3. mirrors absorb more sunlight falling on the cooker thus more heat.

4. none of these.