A tank is filled with a liquid to a height of 12·5 m.The apparent depth of a needle lying at the

A tank is filled with a liquid to a height of 12·5 m. The apparent depth of a needle lying at the bottom of the tank is measured to be 9·0 m. Calculate the speed of light in the liquid. hello dear students i m sharing link of my playlist hope it helps you in your exams keep sharing keep supporting    • The Coulomb force (F) versus 1/r2 graphs f...      • Circuit class12 physics   circuit diagrams    • Directions in electricity and magnetism   directions in electricity and magnetism    • Physics theory questions   physics theory    • Cbse board 2024 physics   all 15 years papers solution    • 55/3/1 physics class12 2024   set 3 tough set of 2024    • cbse board physics2025   cbse board 2025 playlist all of physics explained Understanding physics for beginners Physics formula explanation #arwaandphysics #cbseclass12 #physicsimportantquestions #class12physics #cbseboard2026 #neet #rayopticsclass12 #refraction #refractiveindex #jeemainphysics #physics #cbseboard2026