Applications of Spherical Mirrors

Q.

Which type of mirror is used by a dentist?

1. plane

2. convex

3. concave

Q. Read the given statements and select the correct option.

Statement 1: Concave mirrors are used in torches and car headlights.
Statement 2: Concave mirrors converge the light of the bulbs of torches and car headlights to form a beam of light.

1. Both statement 1 and statement 2 are true and statement 2 is the correct explanation of statement 1.
2. Statement 1 is true but statement 2 is false.
3. Both statement 1 and statement 2 are true but statement 2 is not the correct explanation of statement 1.
4. Statement 1 is false but statement 2 is true.

Q.

(a) Why is "Objects in mirror are closer than they appear" written on back and side mirrors of a vehicle? [5 MARKS]

(b) 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 rear view mirror the image of the truck parked behind his car. This speed at which the image of the truck appears to approach the driver will be? If the truck is 20m behind the car, after how long will the car crash into the truck?

Q. Mirrors found in the fair, shows different images of same object.Some thick and thin and long and short.Why?

Q. Doctors use a mirror to see the enlarged view of ears, eyes, nose and throat. It is also used by dentists to examine teeth. Name the mirror.

1. Convex mirror
2. Plane mirror
   
3. Concave mirror
   
4. Diverging mirror

Q.

In solar cookers, spherical mirrors are used as reflectors.

1. True
2. False

Q. What type of mirror is used by dentists?

1. Plane
2. Convex
3. Concave
4. None of the above

Q.

Which of the following mirror is used by dentists?

1. concave

2. convex

3. plane

4. conical

Q. ________ is used as rear view mirror in a vehicle.

1. Plane mirror
2. Concave mirror
3. Converging mirror
4. Convex mirror

Q.

Why does a driver use a convex mirror as a rear view?

Q.

Which type of mirror is used in the torches used at homes or by dentists?

1. Plane

2. Convex

3. Concave

4. Plano convex

Q.

Which type of mirror is used in the torches used at homes or by dentists?

1. Plane

2. Convex

3. Concave

4. Plano convex

Q. Which of the following types of mirror is used by the doctors for examining body parts like eyes?

1. Convex mirror
2. Plane mirror
3. Concave mirror
4. Diverging mirror

Q.

where does we use convex and concave mirrors

Q. What are the uses of concave mirror in our daily life?

1. Shaving mirror
2. Headlights
3. Solar furnaces
4. Surveillance
5. Rearview mirror

6. Dentist's mirror

7. Space telescope

8. Torchlight

Q.

under which mirror does magnifying glass come

Q. Which of the following process happens in an ordinary solar cooker?

1. Divergence of sun rays using mirror.
2. Convergence of sun rays using mirror.
3. Sun rays getting reflected parallely by the mirror.
4. Absorption of sun rays by the mirror.

Q. Which among the following mirrors is used in shopping malls for security purposes?

1. Convex mirror
2. Converging mirror
3. Plane mirror
4. Concave mirror

Q.

Which type of mirror is used in the torches used at homes or by dentists?

1. Plane

2. Concave

3. Plano convex

4. Convex

Q.

Which type of mirror is used as a rear-view mirror in cars?

1. Plane mirror
2. Convex mirror
3. Concave mirror
4. None of the above