Ray optics and optical instruments is very important chapter of CBSE Class 12 Physics. The total weightage of Chapter-9 (Ray Optics and Optical Instruments) and Chapter 10 (Wave Optics) in CBSE Class 12 Physics Board Examination is of 25 Marks.
The chapter Ray optics and optical instruments is very broad and contains many topics & subtopics.
We have divided the notes of this chapter into several parts. This is the Part -I where we have provided short notes on the following topics and sub-topics:
o Basic Terms Related to Reflection of Light & Spherical Mirrors
• Concave Mirror
• Convex Mirror
• Centre of Curvature
• Radius of Curvature
• Principal Axis
o New Cartesian Sign Convention
o Mirror Equation
o Refraction of Light & Snell’s Law
o Lateral Shift
o Real & Apparent Depth
o Apparent Position of the Sun
The short notes given below on the above-mentioned topics and sub-topics are very important for board examination as well as competitive examination.
Reflection of Light & Spherical Mirrors: Basic Terms
New Cartesian Sign Convention
Refraction of Light & Snell’s Law
Real and Apparent Depth
Apparent Position of the Sun