Image Formation in Convex Mirror

Q.

Image formed by a convex mirror is [MP PET 1993]

1. Virtual

2. Real

3. Inverted

4. Enlarged

Q.

The image formed by a convex mirror of focal length 30cm is a quarter of the size of the object. The distance of the object from the mirror is

1. 60cm

2. 90cm

3. 120cm
4. 30cm

Q.

A diminished virtual image can be formed only in

[MP PMT 2002]

1. Plane mirror

2. A concave mirror

3. Concave-parabolic mirror

4. A convex mirror

Q. A point object is placed at a distance of 30 cm from a convex mirror of focal length 30cm. The image will form at

1. Infinity
2. 15 cm infront of the mirror
3. Pole
4. 15 cm behind the mirror

Q. Which of the following is the correct statement regarding the nature of the image formed by a convex mirror (for a real object)?

1. The image is always diminished
2. The image is always real
3. The image is always inverted
4. The image is always enlarged

Q.

The graph between u and v for a convex mirror is

1. 
   

2. 
   

3. 
   

4. 
   

Q.

A convex mirror of focal length f forms an image which is $\frac{1}{n}$ times the object. The distance of the object from the mirror is

1. (n – 1) f
2. $\left(\frac{n+1}{n}\right)f$
   
3. $\left(\frac{n-1}{n}\right)f$
   
4. (n + 1) f

Q. All of the following statements are correct except

1. The magnification produced by a convex mirror is always less than one
2. A virtual, erect, same-sized image can be obtained using a plane mirror
3. A real, inverted, same-sized image can be formed using a convex mirror
4. A virtual, erect, magnified image can be formed using a concave mirror

Q. A diminished image of an object is to be obtained on a screen 1.0 m from it. This can be achieved by appropriately placing :

1. A concave mirror of suitable focal length
2. A convex mirror of suitable focal length
3. Both of them
4. Neither of them

Q. A convex mirror of focal length 10 cm is placed in water. The refractive index of water is $\frac{4}{3}$. What will be the focal length of the mirror in water

1. $\frac{30}{4}cm$
2. 10 cm
3. None of these
4. $\frac{40}{3}cm$