Spherical Mirrors

Q. When an object is placed at infinity in front of a convex mirror, where would its image form?

1. At the focus
2. Between the pole and the focus
3. At the centre of curvature
4. Between the focus and the centre of curvature

Q. Which of the following not the characteristics of an image formed by a convex mirror?

1. Image lies between pole and focus.
2. Image is diminished.
3. Image is real.
4. Image is virtual.

Q.

A child is standing in front of a magic mirror. she finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. what is the following is the order of combinations for the magic mirror from the top.

1. concave, plane and convex

2. (b) convex, concave and plane

3. the plane, convex and concave

4. (d) convex, plane and concave

Q. A solar cooker is made up of a concave mirror. Which of the following explains the working of such a solar cooking?

1. Sun rays diverge and increase the area of projection.
2. Sun rays converge and focus on one single point.
3. Sun rays are absorbed by the mirror completely.
4. Sunrays are reflection are parallel to each other.

Q. The area illuminated during diffused reflection is _______ regular reflection by a plane surface. Assume parallel beam of incident light is used.

1. larger than
2. smaller than
3. same as
4. brighter than

Q. Define spherical mirror.

Q. When a ray of light is incident on a plane mirror, then the angle of reflection of reflection is:

1. Angle between normal and reflected ray
2. Angle between incident ray and mirror surface
3. Angle between reflected ray and mirror surface
4. Angle between incident ray and reflected ray

Q. type of image formed by plane mirror for a virtual object. with ray diagram

Q. Just by touching, how would you identify:
(i) Plane mirror
(ii) Convex Mirror
(iii) Concave Mirror [3 MARKS]

Q. A driving mirror consists of a cylindrical mirror of radius of curvature 10 cm and the length over the curved surface is 10 cm. If the eye of the driver be assumed to be at a great distance from the mirror, then field of view in radian is 2.0 (3) 3.0 (2) 4.0 (4) 5.0

Q. Why aperture in the telescope is made of larger size?

Q. What is a parallax error?

Q. A reflecting surface is curved outwards. The mirror formed will be :

1. Concave
2. Plane
3. Convex
4. None of these

Q. Which of the following mirrors has the highest field of view?

1. 
2. 
3. 
4. 

Q. How can a concave mirror be used to obtain a virtual image of an object? Draw a diagram to illustrate your answer.

Q. what is realtionship between magnification and focal lengt

Q. Light Reflection and Refraction53 39. An object of height 6 cm is placed on the principal axis of a concave mirror of focal length f at a distance of 4f. The length of the image will be (1) 2 cm (2) 12 cm

Q.

A child is standing in front of a magic mirror. She finds the image of her head bigger, the middle portion of her body of the same size and that of the legs smaller. The following is the order of combinations for the magic mirror from top.

1. Concave, plane and convex

2. Convex, concave and plane

3. Convex, plane and concave

4. Plane, convex and concave

Q. A man sits in an optician’s chair, looking into a plane mirror which is 2 m away from him and views the image of a chart which faces the mirror and is 50 cm behind his head. How far away from his eyes does the chart appear to be ?

Q. A luminous object is placed at a dis†an ce of 30cmfrom the convex lens of focal length 20cm.On the other side of the lens at what dis†an ce from the convex lens a convex mirror of radius of curvature 10cm be placed in order to have an upright image of the object to coincide with it?

Q. why concave and convex mirror called spherical mirror

Q. Is the image formed by spherical mirrors is similar to that formed by a plain mirror

Q. 135.What will be the focal length if the power is+5?

Q. Define concave and convex mirrors.

Q. What kind of mirror is used in the headlights of a car ? Why is it used for this purpose?

Q. The bending of a light ray on changing the medium is called:

1. Refraction
2. Dispersion
3. Diffraction
4. Reflection

Q. The images of two persons A and B standing $1m$ apart in front of a plane mirror are A' & B' respectively. Image A' is at a distance of $2m$ from the mirror. Select the statements which are true.

1. Distance between B & mirror is equal to distance between A & B
2. Distance between B & B' is equal to distance between A & A'
3. Distance between A & B is less than distance between A' & B
4. Distance between A & B' is equal to distance between A' & B

Q. The images of two persons A and B standing $1m$ apart in front of a plane mirror are A' & B' respectively. Image A' is at a distance of $2m$ from the mirror. Select the statements which are true.

1. Distance between B & B' is equal to distance between A & A'
2. Distance between B & mirror is equal to distance between A & B
3. Distance between A & B is less than distance between A' & B
4. Distance between A & B' is equal to distance between A' & B

Q. The power of corrective lens used for which defect has a positive power?

Q. A boy is standing in front of a straight plane mirror 3vfeet away. A pole is standing behind him 3 feet away. The height of the boy is 3 feet and that of the pole is 9 feet. What is the minimum length of the mirror required so that the boy can completely see the pole image in the mirror