Class 10 Exam  >  Class 10 Questions  >  Explain with reason that when sunlight is foc... Start Learning for Free
Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn?
Most Upvoted Answer
Explain with reason that when sunlight is focused on a piece of paper ...
Convex lens converges parallel beam of light passing through it. so, here the convex lens will converge the parallel rays of sunlight due to which the sun's rays gets concentrated on a small part of the paper (where the image is fromed) .Then the heat energy of the focused sunlight rays burns a hole in the piece of paper (where sun's image is fromed) .
Community Answer
Explain with reason that when sunlight is focused on a piece of paper ...
Why does sunlight focused on a piece of paper with the help of a convex lens burn?


Converging Effect of Convex Lens


A convex lens is a type of lens that converges the light rays that pass through it. When sunlight passes through a convex lens, it converges at a point called the focal point. This converging effect of the convex lens is why the paper burns.


Concentration of Energy


When sunlight is focused on a small area of the paper, the energy of the light is concentrated in that area. This high concentration of energy causes the paper to heat up. If the concentration of energy is high enough, the paper may even catch fire.


Temperature Increase


As the paper heats up, its temperature increases. The temperature increase is due to the absorption of the energy from the sunlight. The temperature increase can cause the paper to ignite and burn.


Combustibility of Paper


Paper is made from cellulose fibers, which are combustible. When the paper is heated to a certain temperature, the cellulose fibers break down, and the paper ignites. The temperature increase caused by the focused sunlight can cause the cellulose fibers in the paper to break down and ignite, leading to the burning of the paper.


Conclusion


In conclusion, when sunlight is focused on a piece of paper with the help of a convex lens, the paper will burn because of the converging effect of the lens, concentration of energy, temperature increase, and combustibility of the paper.
Attention Class 10 Students!
To make sure you are not studying endlessly, EduRev has designed Class 10 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 10.
Explore Courses for Class 10 exam

Top Courses for Class 10

Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn?
Question Description
Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn?.
Solutions for Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn? in English & in Hindi are available as part of our courses for Class 10. Download more important topics, notes, lectures and mock test series for Class 10 Exam by signing up for free.
Here you can find the meaning of Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn? defined & explained in the simplest way possible. Besides giving the explanation of Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn?, a detailed solution for Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn? has been provided alongside types of Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn? theory, EduRev gives you an ample number of questions to practice Explain with reason that when sunlight is focused on a piece of paper with the helpof a convex lens, the paper will burn? tests, examples and also practice Class 10 tests.
Explore Courses for Class 10 exam

Top Courses for Class 10

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev