Spherical Mirror

Q. A ray through the centre of curvature hitting the spherical mirror makes an angle ofwith the normal.

1. $0^{\circ }$
2. ${90}^{\circ }$
3. ${180}^{\circ }$
4. ${45}^{\circ }$

Q.

An object is placed in front of a convex mirror at a distance of $60m$ from its pole. Object starts moving towards the mirror at $20m{s}^{-1}$. Find the average speed of the image for a time interval of $2s$ if the focal length of the mirror is $20m$.

1. $0.568m{s}^{-1}$

2. $1m{s}^{-1}$

3. $3m{s}^{-1}$

4. $2.5m{s}^{-1}$

Q. Concave mirror is a ___ whose reflecting surface is towards the center of the sphere of which the mirror is a part.

1. spherical mirror
2. concave mirror
3. convex mirror
4. plane mirror

Q. Choose the wrong statement

1. A concave mirror can form a magnified real image.
2. A concave mirror can form a magnified virtual image.
3. A convex mirror can form a diminished virtual image.
4. A convex mirror can form a diminished real image.

Q. A person standing in front of a mirror finds his image erect and larger than himself. This implies that the mirror is ___.

1. concave
2. cylindrical with bulging side outwards
3. plane
4. convex

Q.

Match the following mirrors with their correct name
i) Convex
ii) Plane
iii) Parabolic
iv) Concave

1. 1 – iv, 2 – i, 3 – ii, 4 – iii

2. 1 – i, 2 – iii, 3 – ii, 4 – iv

3. 1 – i, 2 – ii, 3 – iii, 4 – iv

4. 1 – iii, 2 – i, 3 – ii, 4 – iv

Q. Concave mirrors are silver coated over the face.

1. bulged
2. depressed
3. plane

Q. Which among the following is a converging mirror?

1. Plane mirror
2. Convex mirror
3. Concave mirror
4. Plano-convex mirror

Q. Identify the type of mirror used in these following figures.

1. 
2. 
3. 
4. 

Q. Concave mirrors form only real images.

1. True
2. False