Shyam Saha

Shyam Saha Entertainment and Education

13/02/2026
04/11/2025

Prism

30/10/2025

Refraction of Light Critical angle,total internal reflection, numerical problems

নাইট কুইন
26/10/2025

নাইট কুইন

26/10/2025

Refraction of Light

18/10/2025

Refraction of Light Refractive indexLateral displacement

17/10/2025

Reflection of Light Numerical problems

14/10/2025

Reflection of Light Proof, 1/v+1/u=1/f

14/10/2025

Newton's Equation,Magnification,proof m=-v/u, Formula

Reflection of Light (Day-1)
09/10/2025

Reflection of Light (Day-1)

Reflection of Light Relation between focal length and radius of curvature of a spherical mirror

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