A thin layerof oil or gasoline floating on water appears brightly colored in sunlight. From where do the colors come (clue, Interference)
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Q3. A thin layerof oil or gasoline floating on water appears brightly colored in sunlight. From where do the colors come (clue, Interference)
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- The headlights of a car are 1.5 m apart. Your pupil has a diameter of 5 mm, and the wavelength of the light from the headlights is 600 nm. a. If the car is 50 m away from you, what is the angle between the headlights? b. Can you tell whether the car has two headlights or one? c. What is the maximum distance at which you would still be able to resolve headlights? d. The pupil of your eye changes size depending on how much light it is exposed to. If the diameter of your pupil increased from 5 mm to 7 mm, would your answer in part (c) get larger or smaller?Hi, can I please get some help solving this question? Thank you!Physics 20: SUMMER Assignment 13 7. Use the following information and diagram to answer parts a and b. A reflecting surface is inclined 30° above the horizontal. A wave is traveling horizontally and reflects off the surface, as shown below. The solid grey line is the barrier and the black arrow is the wave. (1) (1) a) What is the angle of incidence? 30° 1 b) What is the angle between the incident ray and the reflected ray? 4
- Light is incident from air to glass at Brewster's angle. 1- Determine the incident and Transmitted angles. 2- Calculate the reflection coefficient for S-polarized. 3- Reflection coefficient for p- polarized.5. Draw the variation of the mean light intensity (l) with respect to the angle of diffraction (teta) if i is due to interference of light of wavelength (lamda) using 2 slits. It is known that each slit has a width of a(- 2 lamda) and the distance between the two slits is d(- 4 lamda).3a. A dispersion of white light into different colors in prism is shown in the figure. Among the seven colors, only the two extreme colors are considering during the dispersion. Use the comparative words for the two colors out of the seven for the physical quantities given in the table below. Speed Light Red Violet Wavelength White Light Red Light Violet Refractive Index Red Light Violet Light
- II. Problem Solving. Show your step-by-step solutions. A transverse wave is propagating in a medium until it encounters another medium at an angle of incidence cqual to 30°. As a result, it refracts at an angle of 50° from the horizontal. What is its initial speed if its refracted wavclength and frequency are 0.02 meters and 5 Hz respectively?Explain the interaction of light with thin films, including the conditions for constructive and destructive interference.