Question

A student wants to obtain an erect image of an object using a concave mirror of 10 cm focal length. What will be the distance of the object from mirror? 

विकल्प

• Less than 10 cm

• 10 cm

• between 10 cm and 20 cm

• more than 20 cm

Answer 1

Less than 10 cm

Explanation:

Only when the object is positioned between the pole and the focus can a concave mirror produce an upright image.

Distance between pole and focus = Focal length = 10 cm

As a result, the object can be placed less than 10 cm from the mirror. As a result, the image created when an object is put between the pole and the focus. The virtual, upright, and expanded concave mirror.