Frequency remains unchanged. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
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Refractive index of a transparent medium is defined as the ratio of speed of light in free space (vaccum) to the speed of light in the given medium. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
Use of convex mirror as a side view mirror in vehicles enhances the field of view of driver as he can now see clearly the vehicles coming from behind a vehicles. Class 12 Physics Chapter 9 Ray Optics and Optical ...
Professor C.V. Raman’s demonstration was based on the radiation pressure exerted by e.m. waves. Tails of coments are due to pressure exerted due to solar radiation. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.
A microwave oven heats up a food item containing water molecules efficiently because frequency of waves produced in oven just matches with the frequency of vibrations of water molecules. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.