CBSE Class 12 Physics Notes Chapter 10 Wave Optics
Waves when released from a point source, scatters in all directions, but the light is seen to be traveling in narrow rays. All the aspects and behavior of light has been explained in the experiments of Fresnel, Young, and Huygens.
According to Young’s experiment, the key feature about the wave is interference of amplitude occurring due to various sources and can be constructive and destructive in nature.
The limit of the ability of a microscope and telescopes of differentiating small objects is defined by the wavelength of the light. The limits of ray optics are defined by diffraction. The polarisation phenomena are specific to light waves or transverse waves but interference and diffraction also occur for longitudinal waves such as the sound waves in air. PLease refer Wave Optics Class 12 Notes for more revision notes.
CBSE Revision Notes 