Explain NCERT Class 10 Science Activity 10.11 Solution
In this article,
we will discuss activity
10.11 class 10 science.
You will find a complete explanation with a conclusion.
After studying
this activity 10.11 Class 10 Science Light- Reflection
and Refraction, you will be able to solve Questions of Chapter 10
Light- Reflection and Refraction.
Activity 10.11 Class
10 Science NCERT
·
Hold a convex lens in
your hand. Direct it towards the sun.
·
Focus the light from the
sun on a sheet of paper. Obtain a sharp bright image of the sun.
·
Hold the paper and the
lens in the same position for a while. Keep observing the paper. What happened? Why?
Recall your experience in activity 10.2
Caution:
Do not look at the sun directly or through a lens
while doing this activity or otherwise. You may damage your eyes if you do so.
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Observation of Activity
10.11 Class 10 Science
We find a sharp point on the paper.
Explanation of Activity
10.11 Class 10 Science
When we keep the
convex
lens directing
towards the sun, the light rays coming from the sun incident parallel on the
lens.
When we move the paper back and forth, we find
a sharp bright image of the sun obtained on the paper.
When we keep the
paper and the lens in the same position for some time, the paper starts burning due
to heat generated by the rays concentrated on the spot.
Conclusion of Activity
10.11 Class 10 Science
This activity
10.11 demonstrate that when a parallel
beam of light from a distant object like the sun falls on a convex lens, a real, inverted, and point-sized image is formed
at the focus point of the lens.
Related Topics for You
1. Next activity- Activity 10.12 Class 10 Science
2. Previous activity- Activity 10.10 Class 10 Science
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