Class 12 Physics | Ray Optics and Optical Instruments | Lens Makers Formula | UP Board 2023

Class 12 Physics | Chapter 9 Ray Optics and Optical Instruments | Important Questions & Quick Revision | Part 2

Class 12 Physics | Chapter 9 Ray Optics and Optical Instruments | Important Questions & Quick Revision | Part 1

Class 12 Physics | Chapter 9 Ray Optics and Optical Instruments | Important Questions & Quick Revision | Part 3

UP Board Result 2023

Optical instrument||Compound telescope

UP Board 12th Result 2023

A: Ray optics assumes that light travels in a straight line which is disapproved by diffraction effects, yet the ray optics assumption is so commonly used in understanding location and several other properties of images in optical instruments. R: Typical sizes of apertures involved in ordinary optical instruments are much larger than the wavelength of light.

Anshu Maurya - 89.5% - UP Board Class 10 - 2023

Arun Goswami - 93.2% - UP Board Class 10 - 2023