10th Physics Chapter 12 Conceptual Questions | New Book of Federal Board | National Book Foundation

This video is about class 10th Physics chapter 12 "Geometrical Optics" conceptual questions, class 10 physics new book national book foundation for federal board students.

Download notes from the following link:-
https://drive.google.com/file/d/16Ya4cp7mhL3OWg015LjpJNh5uZF229Pe/view?usp=sharing

Amazing Science Sense Episode on Light by By Hassaan Fareed:-
https://youtu.be/ky56N2AXq2w

Time Stamps:
00:00 Introduction
00:42 Question#1
04:05 Question#2
05:45 Question#3
08:11 Question#4
10:24 Question#5
15:53 Question#6
18:12 Question#7
22:40 Question#8
25:51 Question#9
38:28 Question#10

The answers of the following stated questions are covered in this video :-
Question#1: When you look at the front side of polished spoon, your image is inverted and from back of spoon, your image is erect. Explain why?
Question#2: Which mirror is used by girls for makeup and why?
Question#3: Why are large convex mirrors fixed at blind turns of mountains?
Question#4: Which mirrors are used for rear view of vehicles and why?
Question#5: If a person is walking in pool, why do his legs appear shorter in water?
Question#6: Why do diamonds sparkle brightly?
Question#7: When white light passes through a prism, it disperses into its seven colours. Why does dispersion take place in prism?
Question#8: Magnifying glass can burn the paper. How is it possible?
Question#9: Your grandfather uses spectacles to read newspaper. You see through the spectacles and you observe that objects behind it were inverted. Why was it so observed?
Question#10: Under what condition, is a convex lens nearly act as diverging lens?

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