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 ...
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When an ideal capacitor is fully charged by a d.c. battery, the electric field E between the plates of capacitor does not change with time. Therefore, displacement current is zero. when an a.c. source is applied between the plates of ...
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.
As electromagnetic waves are plane polarised, therefore the receiving antenna of portable radio should be parallel to electric/magnetic part of the wave. Class 12 Physics Chapter 8 Electromagnetic Waves Session 2024-2025.