English

Which Part Causes the Greatest Convergence? - Science

Advertisements
Advertisements

Question

Which part causes the greatest convergence?

Solution

 The cornea is the part of the eye that causes the greatest convergence because light first enters the eye through the cornea, which is convex.

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: The Human Eyes And The Colorful World - Exercise 1 [Page 272]

APPEARS IN

Lakhmir Singh Physics (Science) [English] Class 10
Chapter 6 The Human Eyes And The Colorful World
Exercise 1 | Q 56.2 | Page 272

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

A ray of light travelling in water emerges into air. Draw a ray-diagram indicating the change in its path.


What is a lens? 


Describe with the help of a ray diagram the nature, size and position of the image formed when an object is placed in front of a convex lens between focus and optical centre. State three characteristics of the image formed.


Describe with the help of a ray diagram the nature, size and position of the image formed when an object is placed at infinity (considerable distance) in front of a convex lens. State three characteristics of the image so formed.


The focal lengths of four convex lenses PQR and S are 20 cm, 15 cm, 5 cm and 10 cm, respectively. The lens having greatest power is :
(a) P
(b) Q
(c) R
(d) S


A convex lens of focal length 10 cm is placed in contact with a concave lens of focal length 20 cm. The focal length of this combination of lenses will be:
(a) +10 cm
(b) +20 cm
(c) −10 cm
(d) −20 cm


The focal length of a thin convex lens is ______ than that of a thick convex lens.


While determining the focal length of a convex lens, you try to focus the image of a distant object formed by the lens on the screen. The image formed on the screen, as compared to the object, should be
(A) erect and highly diminished
(B) erect and enlarged
(C) inverted and enlarged
(D) inverted and highly diminished


(a) What type of a lens can be used as a magnifying glass?
(b) Show by a ray diagram the formation of a real image by simple magnifying lens.


State the position of object, position of image, nature of image when: Convex lens is used in cine projector.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×