UrbanPro
Login Ask & Answer Success Stories Paid Courses Free Classes Tuition & Classes Fees Write a Review All Categories Help Center
Post your Learning Need Signup as a Tutor
✕

Popular Cities

Bangalore

Hyderabad

Delhi

Mumbai

Chennai

Pune

Kolkata

Gurgaon

Ahmedabad

Jaipur

Noida

✕

Take Class 10 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Book a Free Demo

Class 10 > Learn Science > Why paper catches fire when a convex lens is used to...
✕

Search in

Why paper catches fire when a convex lens is used to ficus sunlight?

Asked by Last Modified  

5 Answers

Learn Science +1 Class IX-X Tuition

Follow 16
Answer

Please enter your answer

Experienced science teacher, CBSE and state board

covex lens concentrate the sun rays onto a small area, which heats up the area, then the exposed surface will ignited, {it is a converging lengs, that is it will converge the rays falling on it into single strong beam.
Comments
Dislike Bookmark

Tutor

As convex lens are convergent ,they focus all the rays at single point on paper. Due to intense heat at a point the paper burns
Comments
Dislike Bookmark

Teacher

A convex lens focuses sun light at a point on the paper. The photons in the sun light have energy. These are concentrated at one point and a lot of heat is generated. As there is combustible material (paper), oxygen ( in the air) and the heat energy raises the temperature at the focal point to over the...
read more
A convex lens focuses sun light at a point on the paper. The photons in the sun light have energy. These are concentrated at one point and a lot of heat is generated. As there is combustible material (paper), oxygen ( in the air) and the heat energy raises the temperature at the focal point to over the flash point for paper, a fire starts read less
Comments
Dislike Bookmark
As convex lens are convergent ,they focus all the rays at single point on paper. Due to intense heat at a point the paper burns
Comments
Dislike Bookmark

Tutor

Because convex lense concentrate all the incident sun light and focus it on a point and increase the intensity of light which causes fire on that focus point
Comments
Dislike Bookmark

View 3 more Answers

Related Questions

A wire is 1m long, 0.2mm in diameter and has resistance of 10?. Calculate its resistivity.
ρ=R A/l ρ=4*10^-5 Ω.m
Sushma
0 0
5
Which is the best chemistry branch for Msc in chemistry?
Material chemistry has a great scope these days. It gives you varied experience and field exposure.
User
0 0
9

Hi, I am Deepak, form Navy nagar, Mumbai. I want to teach math and science to class viii,viii,ix and x (english or hindi medium) both online or offline. can I get some student in Colaba?
Yes buddy definitely you will get students . For that you need to be quite patient and you need to have a look at the urban pro account frequently everyday because this is a compitative world someone else might get hired if you are not active .
Deepak
0 0
5

Calculate the distance between A and B where radius AC=1/π²
If c is the centre of the circle then A should be on the circumference of the circle and AC is the radius of the circle then in that case ABwould be the diameter of the circle because B point is another...
Deepak
0 0
9
Which is the best chemistry branch for Msc in chemistry?
Organic Chemistry
Suresh

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

What is respiration?

Ketan Grover

0 0
0
Circuit Analysis Using Kirchoff Current Law (KCL) and Kirchoff Voltage Law KVL
Why are the 2 Laws required? Simple circuits can be analyzed by using Ohms Law. i.e. Using knowledge of Ohm's law, we can find out the current and potential differences across the Resistances. But this...

Physics Institute

0 0
0
Acids, Bases and Salts
SULPHURIC ACID Why is H2SO4 not a drying agent for H2S? Ans) H2SO4 brings about a chemical change as well as change in chemical composition when reacted...

Nikhil Jain

0 0
0
Role of science
It seems clearly that science affects our life both positively and negatively. Science is needful for our life but not sufficient because science without conscience is very dangerous. From morning...

Ravi Kant

0 0
0
Oxidative Phosphorylation
Oxidative PhosphorylationIt is the main source of energy of our cell. Takes place in Mitochondria. Movement of protons through inner mitochondrial membrane leads to ATP production. Definition:Oxidative...

Bhakti M.

0 0
0

Recommended Articles

Meet Mohammad Wazid, a skilled trainer for...

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Meet Raghunandan.G.H, a B. Tech Tutor from...

Raghunandan is a passionate teacher with a decade of teaching experience. Being a skilled trainer with extensive knowledge, he provides high-quality BTech, Class 10 and Class 12 tuition classes. His methods of teaching with real-time examples makes difficult topics simple to understand. He explains every concept in-detail...

Read full article >

Quest Academy - Institute of the month

Quest Academy is a professional Bangalore based NEET and JEE (Main + Advanced) training institute. The academy was incorporated in 2015 to cater to the needs of students, who aim to crack competitive exams by connecting with the best brains around. The institute helps students enhance their skills and capabilities through...

Read full article >

Meet Sandhya R, a B.Sc tutor from Bangalore

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Find Class 10 Tuition near you
Class 10 Tuition in Delhi
Class 10 Tuition in Bangalore
Class 10 Tuition in Hyderabad
Class 10 Tuition in Kolkata
Class 10 Tuition in Mumbai
Class 10 Tuition in Chennai
Class 10 Tuition in Pune
Class 10 Tuition in Noida
Class 10 Tuition in Lucknow
Class 10 Tuition in Jaipur
Online Tuition Class 10

Looking for Class 10 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Class 10 Tuition Classes?

The best tutors for Class 10 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 10 Tuition with the Best Tutors

The best Tutors for Class 10 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more

ThinkVidya Learning Pvt Ltd © 2010-2025 All Rights Reserved