Which of the following lenses would you prefer to use while reading small letters found in a dictionary?
A concave lens of focal length 50 cm
A convex lens of focal length 50 cm
A concave lens of focal length 5 cm
A convex lens of focal length 5 cm

Question

Which of the following lenses would you prefer to use while reading small letters found in a dictionary?
A concave lens of focal length 50 cm
A convex lens of focal length 50 cm
A concave lens of focal length 5 cm
A convex lens of focal length 5 cm

Toppr Admin · Accepted Answer

A convex lens is also used as a simple microscope- The object is kept between the focal length and mirror so that a virtual- erect and magnified image is formed- Smaller focal length has more power and is suitable for larger magnification- Hence- convex lens of focal length 5 cm is preferred-

Which of the following lenses would you prefer to use while reading small letters found in a dictionary?A concave lens of focal length 50 cmA convex lens of focal length 50 cmA concave lens of focal length 5 cmA convex lens of focal length 5 cm

A convex lens is also used as a simple microscope. The object is kept between the focal length and mirror so that a virtual, erect and magnified image is formed. Smaller focal length has more power and is suitable for larger magnification. Hence, convex lens of focal length 5 cm is preferred.

Which of the following lenses would you prefer to use while reading small letters found in a dictionary?
A concave lens of focal length 50 cm
A convex lens of focal length 50 cm
A concave lens of focal length 5 cm
A convex lens of focal length 5 cm