Q83 of 112 Page 312

The least distance of distinct vision for a young adult with normal vision is about:

The least distance of distinct vision means the minimum distance for an object to be viewed clearly. This minimum distance for a young adult with normal vision is 25cm.

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81

The angle of reflection is equal to the angle of incidence:

 82

The image formed by a plane mirror is:

 84

The angle between an incident ray and the plane mirror is 30°. The total angle between the incident ray and the reflected ray will be:

 85

The image of an object formed by a plane mirror is: