Atmospheric Refraction - Human Eye and Colorful World - Chapter 13 CBSE Class 10 Science

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Atmospheric Refraction - Chapter 13: CBSE Class 10 Science. Let's watch this amazing topic for your effective Board Exam - Science Preparation with proper explanation by your favorite teacher. In this session, you will find Tips, Tricks, and Strategies in detail to score full marks in class 10 Science. So, Don't Miss It!!

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Here we discuss the topic Atmospheric Refraction of class 10 physics from chapter 13.

In this topic, we mainly cover Atmospheric Refraction and some phenomenon which happens because of Atmospheric Refraction.

Topic covered:
Atmospheric Refraction.
Twinkling of stars. (Twinkle twinkle little star)
Example.

What is Atmospheric Refraction?

"Atmospheric Refraction" is the deviation of light from a straight line as it passes through the atmosphere due to the variation in air density which changes with height.

Important points:
The temperature of air varies throughout the atmosphere.
Refraction index of atmosphere also varies.
When light travels through atmosphere, it travels in a curved path.
Temperature of a different part of atmosphere changed with time.

Role of Atmospheric Refraction.
Stars
Stars appear in a higher position than their actual position.
Stars twinkle
Planets do not twinkle.

For example one question.
Que: Why planets do not twinkle?
Ans: Planets are closer to earth and bigger in size, due to this small variation in their position is not noticeable, so they don’t twinkle.

All the above-mentioned topics are described in an interactive and efficient manner so that the students could easily understand them.



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