Ch 23 Cosmology | Luminosity and Radiant Flux Intensity | Physics Class 12 FBISE | NBF Book

Описание: Ch 23 Cosmology | Luminosity and Radiant Flux Intensity | Physics Class 12 FBISE | NBF Book.
In this video, you will learn topic 23.2 – Luminosity and Radiant Flux Intensity from Cosmology, according to the Physics Class 12 Federal Board (FBISE) New Book (NBF).

This lecture explains luminosity, radiant flux, and radiant intensity in a simple and exam-focused way, making it easy for Class 12 (2nd Year) students to understand and memorize. All definitions, formulas, physical meanings, and relationships are covered step by step.

📌 This video is best for:

Class 12 Physics (FBISE) students

2nd Year Physics concept building

Board exam preparation

Short & long questions preparation

Numerical-based understanding

MDCAT & entry test basics

📘 Lecture Details:

Subject: Physics

Class: 12 (2nd Year)

Chapter: 23 – Cosmology

Topic: 23.2 Luminosity and Radiant Flux Intensity

Book: New Federal Board Book (NBF)

Board: FBISE

🔥 Why watch this lecture?

High-frequency board exam topic

Clear explanation with formulas

Easy language for quick revision

Perfect for last-day exam preparation

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