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Questions and Answers
What branch of optics deals with the study of light in terms of rays?
What branch of optics deals with the study of light in terms of rays?
- Wave optics
- Geometric optics (correct)
- Quantum optics
- Physical optics
What will happen to the focal length of a lens when it is immersed in a medium of higher refractive index?
What will happen to the focal length of a lens when it is immersed in a medium of higher refractive index?
- Focal length increases
- Focal length remains unchanged
- Focal length becomes negative
- Focal length decreases (correct)
Which type of lens diverges light and forms only virtual images?
Which type of lens diverges light and forms only virtual images?
- Concave lens (correct)
- Convex lens
- Plano-convex lens
- Double convex lens
What is the phenomenon when a ray of light is divided into its constituent colors due to dispersion?
What is the phenomenon when a ray of light is divided into its constituent colors due to dispersion?
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