Скачать или смотреть NUMERICAL RESPONSE QUESTIONS| Ch 14 Optics | Physics 10 | Lec 10 | NBF | FBISE

NUMERICAL RESPONSE QUESTIONS| Ch 14 Optics | Physics 10 | Lecture 10 | National Book Foundation | Federal Board

📘 In this lecture, we solve all important *Numerical Response Questions* from Chapter 14 *"Optics"* of Class 10 Physics (FBISE | NBF textbook).

🎯 Topics Covered (Based on FBISE Book):
Refraction at the boundary of two media
Speed of light in different materials
Snell’s Law applications
Calculation of critical angle
Lens magnification formula

📌 Numericals Covered with Timestamps:
00:00 - Q1: Calculate angle of refraction when angle of incidence is 37°.
05:00 - Q2: Find speed of light in a medium with refractive index 1.7.
06:42 - Q3: Calculate angle of refraction from medium (n=1.6) to (n=1.7) at 21° incidence.
10:21 - Q4: Find critical angle from n=1.63 to n=1.35.
14:42 - Q5: Distance & height of image using lens magnification (h = 3 cm, d = 5 cm, m = 3).

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📚 Based on: National Book Foundation | Federal Board Islamabad (FBISE)
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