Analyse the following observation table showing variation of image distance with object distance in case of a convex lens and answer the question that follow without doing any calculations 1) What is the focal length of the convex lens? Give reason in support of your answer 2) Write the serial number of that observation which is not correct. How did you arrive at this conclusion. 3) Take an appropriate scale to draw ray diagram for the observation at S. No. 4 and find the approximate value of the magnification. Class - 10th Chapter - Light, reflection and refraction.
Analyse the following observation table showing variation of image distance with object distance in case of a convex lens and answer the question that follow without doing any calculations 1) What is the focal length of the convex lens? Give reason in support of your answer 2) Write the serial number of that observation which is not correct. How did you arrive at this conclusion. 3) Take an appropriate scale to draw ray diagram for the observation at S. No. 4 and find the approximate value of the magnification. Class - 10th Chapter - Light, reflection and refraction.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter26: Image Formation By Mirrors And Lenses
Section: Chapter Questions
Problem 55P
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Question
Analyse the following observation table showing variation of image distance with object distance in case of a convex lens and answer the question that follow without doing any calculations
1) What is the focal length of the convex lens? Give reason in support of your answer
2) Write the serial number of that observation which is not correct. How did you arrive at this conclusion.
3) Take an appropriate scale to draw ray diagram for the observation at S. No. 4 and find the approximate value of the magnification.
Class - 10th
Chapter - Light, reflection and refraction.
Transcribed Image Text:ulations :
S. No.
Object distance u (cm)
Image distance v (cm)
1.
- 90
+ 18
2.
-60
+ 20
- 30
- 20
- 18
- 10
3.
+ 30
4.
+ 60
-
5.
+ 90
6.
+ 100
What is the focal length of the convex lens ? Give reason in support of your answer.
nhoorvotion which is not correct. How did you arrive at
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