A large magnification can be achieved in an astronomical telescope by taking an objective lens of highest possible focal length and an eyepiece of least possible focal length. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
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When light passes from a rarer to a denser medium, its wavelength decreases but the frequency remains unchanged. Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
Frequency remains unchanged. 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 ...