Light Test - 28...

A person has a $$18$$cm wide face and his two eyes are separated by 8 cm.Find the minimum width of a mirror required for the person to view is face laterally is

The image of an object formed by a device is always virtual and small. The device may be 

Which type of an image is formed by a plane mirror?

The diameter of the sun subtends an angle of $$ 0.5^0 $$ at the surface of the earth. A converging lens of focal length $$100 \ cm$$ is used to provide an image of the sun on a screen. The diameter ( in mm) of the image formed is nearly 

The image formed by a convex mirror of a real object is

Which diagram best shows the reflection of light?

An object is at a distance of $$0.5$$ m in front of a plane mirror. The distance between the object and the image is

While capturing solar energy for commercial purposes we use 

In which of the following cases we cannot get a virtual image using a plane mirror ?

The passenger side-view mirror on an automobile often has notation. "Objects seen in the mirror are closer than they appear". Is the image really farther away than the object?