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Introduction to Optics Video Lecture | Basic Physics for IIT JAM
FAQs on Introduction to Optics Video Lecture - Basic Physics for IIT JAM
| 1. What is optics? |  |
Ans. Optics is the branch of physics that studies the behavior and properties of light, including its interaction with matter and the instruments used to detect and manipulate it.
| 2. What are the main branches of optics? | |
Ans. The main branches of optics are geometric optics, which deals with the behavior of light rays and their interaction with mirrors and lenses, and physical optics, which focuses on the wave nature of light and phenomena such as diffraction and interference.
| 3. How does a lens work in optics? | |
Ans. A lens works by refracting or bending light rays as they pass through it. Depending on the shape and curvature of the lens, it can converge or diverge the light, allowing for the formation of images. Convex lenses converge light, while concave lenses diverge it.
| 4. What is total internal reflection in optics? | |
Ans. Total internal reflection occurs when a light ray traveling from a denser medium to a less dense medium strikes the interface between the two media at an angle greater than the critical angle. Instead of refracting outwards, the light ray reflects back into the denser medium, resulting in no transmission of light.
| 5. What are some practical applications of optics? | |
Ans. Optics has numerous practical applications in various fields. Some examples include the design and use of optical instruments such as microscopes and telescopes, fiber optics for communication and data transfer, laser technology for medical and industrial purposes, and optical imaging techniques in medicine and biology.
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