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Category: Optics

Question-137547

Question Number 137547 by physicstutes last updated on 03/Apr/21 Commented by physicstutes last updated on 03/Apr/21 $$\mathrm{The}\:\mathrm{above}\:\mathrm{figure}\:\mathrm{shows}\:\mathrm{a}\:\mathrm{ray}\:\mathrm{of}\:\mathrm{light}\:\mathrm{of}\:\mathrm{frequency}\:\mathrm{1}.\mathrm{67}\:×\:\mathrm{10}^{\mathrm{12}} \mathrm{Hz}. \\ $$$$\mathrm{It}\:\mathrm{goes}\:\mathrm{from}\:\mathrm{a}\:\mathrm{space}\:\mathrm{of}\:\mathrm{refractive}\:\mathrm{index}\:\mathrm{1}.\mathrm{33},\:\mathrm{to}\:\mathrm{a}\:\mathrm{material}\:\mathrm{of}\:\mathrm{refractive} \\ $$$$\mathrm{index}\:\mathrm{1}.\mathrm{66}\:\mathrm{then}\:\mathrm{finally}\:\mathrm{to}\:\mathrm{another}\:\mathrm{material}\:\mathrm{as}\:\mathrm{shown}. \\ $$$$\:\mathrm{which}\:\mathrm{of}\:\mathrm{the}\:\mathrm{following}\:\mathrm{assertions}\:\mathrm{are}\:\mathrm{correct}\:\mathrm{about}\:\mathrm{the}\:\mathrm{refractive}\:\mathrm{index}\:\mathrm{of}\:\mathrm{the} \\…

A-convex-mirror-of-radius-of-curvature-30cm-forms-a-real-image-20cm-from-its-surface-Find-whether-the-imavect-is-erect-or-inverted-Please-explain-how-possible-this-is-Thanks-in-advance-

Question Number 69851 by necxxx last updated on 28/Sep/19 $${A}\:{convex}\:{mirror}\:{of}\:{radius}\:{of}\:{curvature} \\ $$$$\mathrm{30}{cm}\:{forms}\:{a}\:{real}\:{image}\:\mathrm{20}{cm}\:{from}\:{its} \\ $$$${surface}.{Find}\:{whether}\:{the}\:{imavect}\:{is} \\ $$$${erect}\:{or}\:{inverted}.{Please}\:{explain}\:{how}\: \\ $$$${possible}\:{this}\:{is}. \\ $$$$ \\ $$$${Thanks}\:{in}\:{advance}. \\ $$ Terms…