Image Formation by Spherical Mirrors

Q. What is converging and diverging light from a convex and a concave mirror?

Q. Why is the mirror image of AMBULANCE written on the ambulance? [2 MARKS]

Q. A ray of light parallel to the principal axis of a concave mirror, after reflection, passes through:

1. Pole
2. Focus
3. Aperture
4. Optical center

Q. An object is kept beyond the center of curvature of a concave mirror, the image formed will be inverted and .

1. diminished
2. enlarged
3. virtual

Q.

Which of the following can be used to form a real image?

(a) Concave mirror only

(b) Plane mirror only.

(c) Convex mirror only.

(d) Both concave and convex mirrors.

Q. The Laws of reflection are true for:

1. Plane mirrors only
2. Concave mirrors only
3. Convex mirrors only
4. Any reflecting surface

Q. An object is kept at the center of curvature of a concave mirror. The image will be formed at the .

1. center of curvature
2. pole
3. focus

Q. A magnified virtual image can be produced by a ______

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

Q.

We wish to obtain an erect image of an object, using a concave mirror of focal length $15cm$. What should be the range of distance of the object from the mirror? What is the nature of the image? Is the image larger or smaller than the object? Draw a ray diagram to show the image formation in this case.

Q.

Question 6

An erect and enlarged image can be formed by

(a) only a convex mirror.

(b) only a concave mirror.

(c) only a plane mirror.

(d) both convex and concave mirrors.

Q.

Match the given cases of image formation with the position of the object:

1. I - c, II - d, III - b, IV - a

2. I - c, II - d, III - a, IV - b

3. I - b, II - d, III - a, IV - a

4. I - d, II - c, III - b, IV - a

Q.

Why does an ebonite rod get charged when rubbed with flannel

Q. Which type of spherical mirror does the inner surface and the outer surface of a polished spoon act as?

1. Inner - concave; Outer - convex
2. Inner - concave; Outer - concave
3. Inner - convex; Outer - convex
4. Inner - convex; Outer - concave

Q.

Question 11
A virtual image larger than the object can be produced by a
(i) concave lens
(ii) concave mirror
(iii) convex mirror
(iv) plane mirror

Q.

Is the pole of concave mirror same as its optical center

Q.

You are provided with a convex mirror, a concave mirror, a convex lens and a concave lens. You can get an inverted image from

1. both the concave lens and convex lens

2. both concave mirror and convex mirror

3. both concave mirror and convex lens

4. both convex mirror and concave lens

Q.

Question 2 (a)
Mark T if the statement is true and F if it is false:
We can obtain an enlarged and erect image by a convex mirror.

Q.

The image formed by a rear view mirror _____.

1. is always real

2. is always virtual

3. depends on the position of the object

4. can be real or virtual

Q.

The image formed by a rear view mirror _____.

1. is always real

2. is always virtual

3. depends on the position of the object

4. can be real or virtual

Q. Question 3
$\begin{array}{cc}ColumnI& ColumnII\\ \left(a\right)Aplanemirror& \left(i\right)Usedasamagnifyingglass.\\ \left(b\right)Aconvexmirror& \left(ii\right)Canformimageofobjectsspreadoveralargearea.\\ \left(c\right)Aconvexlens& \left(iii\right)Usedbydentiststoseeenlargedimageofteeth.\\ \left(d\right)Aconcavemirror& \left(iv\right)Theimageisalwaysinvertedandmagnified.\\ \left(e\right)Aconcavelens& \left(v\right)Theimageiserectandofthesamesizeastheobject.\\ & \left(vi\right)Theimageiserectandsmallerinsizethantheobject.\end{array}$

Q.

State whether the following statements are true or false. If false, rewrite the correct form of statements.

Image formed by a concave mirror is always real.

1. True
2. False

Q.

Statement 1: Convex mirrors are used in torches and car headlights.​

Statement 2: A concave mirror is used for surveillance ​at supermarkets and shops.​

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

Q.

Question 2 (c)
Mark T if the statement is true and F if it is false:
We can obtain a real, enlarged and inverted image by a concave mirror.

Q.

Describe an experiment to find the focal length of a concave mirror and to find the nature of the image when the object is at a finite distance.

Q.

Question 7

You are provided with a convex mirror, a concave mirror, a convex lens and a concave lens. You can get an inverted image from

(a) both concave lens and convex lens.

(b) both concave mirror and convex mirror.

(c) both concave mirror and convex lens.

(d) Both convex mirror and concave lens.

Q. Define-
1 real image
2 virtual image
3 concave mirror
4 concave mirror
5Dispersion
6 Refraction

Q. A concave mirror is used to form a real image of a candel. If the upper half of the mirror is covered by a piece of paper what will happen to the immage? Will it become dimmer or remain same? Why?

Q. Match the nature of the reflected rays with the type of mirror on which parallel rays were incident.

1. Concave Mirror
2. Convex Mirror
3. Plane Mirror

Q.

Mention the types of mirrors used in

(i) rear view mirrors.

(ii) shaving mirrors.

List two reasons to justify your answers in each case.

Q.

Question 2 (e)
Mark T if the statement is true and F if it is false:
A concave mirror always forms a real image.