0

Guest

Courses New

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

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

Grade:12

2 Answers

Harshit Singh
askIITians Faculty 5963 Points
3 years ago
Dear Student

Option(c)is correct here.

Thanks
KAPADIA DEV
100 Points
3 years ago
A convex lens gives a magnified image of an object when it is placed between the radius of curvature and focal length. Also, magnification is more for convex lenses having shorter focal length. Therefore, for reading small letters, a convex lens of focal length 5 cm should be used

Think You Can Provide A Better Answer ?

Other Related Questions on 10 grade science

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More