Drivers use convex mirror as a rear-view mirror in automobiles because of the following two reasons: 1. A convex mirror always forms an erect, virtual and diminished image of an object placed anywhere in front of it. 2. A convex mirror has a wider field of view than a plane mirror of the same size.Read more
Drivers use convex mirror as a rear-view mirror in automobiles because of the following two reasons:
1. A convex mirror always forms an erect, virtual and diminished image of an object placed anywhere in front of it.
2. A convex mirror has a wider field of view than a plane mirror of the same size.
Thus convex mirrors enable the driver to view much larger traffic behind him than would be possible with a plane mirror. The main disadvantage of a convex mirror is that it does not give the correct distance and the speed of the vehicle approaching from behind.
When light rays parallel to the principal axis coming from infinity fall on the surface of the concave mirror, it converges at a single point on the principal axis. This point is called ‘Principal Focus of concave mirrors. The principal focus is also referred to as simply focus or focal point. The cRead more
When light rays parallel to the principal axis coming from infinity fall on the surface of the concave mirror, it converges at a single point on the principal axis. This point is called ‘Principal Focus of concave mirrors. The principal focus is also referred to as simply focus or focal point. The concave mirror focal point lies in front of the mirror.
What is meant by power of accommodation of the eye?
Accommodation is the process by which the vertebrate eye changes optical power to maintain a clear image or focus on an object as its distance varies.
Accommodation is the process by which the vertebrate eye changes optical power to maintain a clear image or focus on an object as its distance varies.
See lessWhy do we prefer a convex mirror as a rear-view mirror in vehicles?
Drivers use convex mirror as a rear-view mirror in automobiles because of the following two reasons: 1. A convex mirror always forms an erect, virtual and diminished image of an object placed anywhere in front of it. 2. A convex mirror has a wider field of view than a plane mirror of the same size.Read more
Drivers use convex mirror as a rear-view mirror in automobiles because of the following two reasons:
1. A convex mirror always forms an erect, virtual and diminished image of an object placed anywhere in front of it.
2. A convex mirror has a wider field of view than a plane mirror of the same size.
Thus convex mirrors enable the driver to view much larger traffic behind him than would be possible with a plane mirror. The main disadvantage of a convex mirror is that it does not give the correct distance and the speed of the vehicle approaching from behind.
See lessName a mirror that can give an erect and enlarged image of an object.
Concave mirror forms an erect, virtual and enlarged image when the object is between focus and pole of mirror.
Concave mirror forms an erect, virtual and enlarged image when the object is between focus and pole of mirror.
See lessThe radius of curvature of a spherical mirror is 20 cm. What is its focal length?
Radius of curvature, R = 20 cm R = 2f f = R/2 = 20/2 = 10 cm The focal length is 10 cm.
Radius of curvature, R = 20 cm
R = 2f
f = R/2 = 20/2 = 10 cm
The focal length is 10 cm.
See lessDefine the principal focus of a concave mirror.
When light rays parallel to the principal axis coming from infinity fall on the surface of the concave mirror, it converges at a single point on the principal axis. This point is called ‘Principal Focus of concave mirrors. The principal focus is also referred to as simply focus or focal point. The cRead more
When light rays parallel to the principal axis coming from infinity fall on the surface of the concave mirror, it converges at a single point on the principal axis. This point is called ‘Principal Focus of concave mirrors. The principal focus is also referred to as simply focus or focal point. The concave mirror focal point lies in front of the mirror.
See less