Plane Mirrors and Images Formed by Them

Q.

Which of the following letter does not show lateral inversion? (a) M (b) N (c) I (d) A

1. M

2. N

3. I

4. A

Q. Our left hand appears on the right in a plane mirror because of the phenomenon called:

1. Lateral inversion
2. Shadow formation
3. Diffusion of light
4. Reflection of light

Q. In a completely dark room, we can see our face in the mirror.

1. No, because mirror cannot be seen in dark room.

2. Yes, Our eye can adjust itself in dark area to see the object

Q.

Which type of surfaces produces clear images?

1. Unpolished and non-reflecting surface

2. Opaque object

3. Transparent object

4. Polished and plane reflecting surface

Q.

Not all opaque objects reflect light.

1. True
2. False

Q.

Which of the following letters shows lateral inversion?

1. L

2. B

3. V

4. X

Q.

The mirror absorbs most of the light that falls on it.

1. True
2. False

Q. In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?

Q. Paheli switches on a torch and aims it at a mirror. The reflected light from the mirror falls on Boojho, who is standing beside Paheli. For Boojho, what kind of objects are the torch and the mirror?

1. Both of them are luminous objects.
2. The torch is a luminous object, and the mirror is a non-luminous object
3. The mirror is a luminous object, and the torch is a non-luminous object.
4. None of the objects are luminous.

Q. Statemen 1: A mirror can reflect light falling on it.

Statement 2: In a completely dark room, we can see our face in the mirror.

1. Only statement 1 is correct
2. Only statement 2 is correct
3. Both statements 1 and 2 are correct
4. Both statements 1 and 2 are incorrect

Q. The shape of the shadow formed by an opaque cylinder, as shown, will be that of a cylinder.

1. False
2. True

Q. Periscope is made using ______ mirror.

1. concave
2. diverging
3. plane
4. convex

Q. Which does not help in the working of a periscope?

1. Reflection
2. Mirror
3. Shadow
4. Light

Q.

Question 4

In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?

Q.

Which of the following letter does not show lateral inversion?

1. M

2. N

3. I

4. A

Q.

If you hold up a mirror in a dark room, would you be able to see your reflection in the mirror? [3 MARKS]

Q. The object that does not emit light on its own is the:

1. Light bulb
2. Shinning mirror
3. Star
4. Lighted matchstick

Q.

Which type of surfaces produces clear images?

1. Opaque object

2. Polished and plane reflecting surface

3. Transparent object

4. Unpolished and non-reflecting surface

Q.

A smooth reflecting surface is bent as shown in the figure. The reflecting surface is facing outward. What kind of mirror is formed?

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

Q. Which of the following words will create a readable sequence of letters upon reflection in a plane mirror?

1. A I O V
2. A W B X
3. O I M F
4. O W X Z

Q. In a completely dark room, we can see our face in the mirror.

1. Yes, Our eye can adjust itself in dark area to see the object

2. No, because mirror cannot be seen in dark room.

Q. The image formed by the plane mirror is _________.

1. real and inverted
2. virtual and inverted
3. virtual and erect
4. real and erect

Q. There are 11 letters in the word: EXAMINATION. How many letters of this word won't be changed when the word undergoes lateral inversion in a plane mirror?

1. 11
2. 6
3. 8
4. 9

Q. If you hold up a mirror in front of you in a completely dark room, will you see a reflection of yourself in the mirror? Give reasons for your answer.

Q. Periscope is made using ______ mirror.

1. concave
2. diverging
3. plane
4. convex

Q. Which of the following surfaces produce clear images?

1. Polished and plane reflecting surface

2. Opaque object

3. Unpolished and non-reflecting surface

4. Transparent object

Q. Which does not help in the working of a periscope?

1. Reflection
2. Mirror
3. Shadow
4. Light

Q. Mirrors placed facing each other would create infinite number of images all with the same size and magnification.

1. True
2. False

Q. Which of the following is an opaque object?

1. Pure water
2. Glass
3. Mirror
4. Air

Q.

Question 4

In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?