
10.a 335-nm thick oil film floats on the surface of the wate. The indices of refraction of the oil and the water are 1.5 and 1.33 respectively.the surface of the oil is illuminated from above at normal incidence with white light.there are two wavelength of light straightly reflected in the visible light. if one lambda is 402 nm, what is the other
9. two lenses is separated by a distance 10 cm. first lens is converging f=15cm. second lens is diverging f2 = 22cm. if one object is 21 cm from the first lens find the final image
8. an lrc series circuit has a 56 ohm restor, a 72 mH inductance and a 7.5 micro farad capacitor. The circuit is driven by ac power source with rms voltage 220V running at 50Hz. What is the rms voltage across the capacitor?
7.a 12 loops of wire with radius r=0.2m and resistance 12 ohm is located in the plane of this paper as shown. there is a time-varying magnetic field B = 6.73r2 at the location of the loop. at t = 1.2 s what are the induced current and its direction in the loop?
6. three long current parallel wires (i1=i2=i3=12 A) are a distance d = 3cm apart as shown. what is the magnetic force on i1(l1=2m)?
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10.a 335-nm thick oil film floats on the surface of the wate. The indices of refraction...
.[4 points] A 360-nm thick the water are 1.5 oil film floats on the surface ght, what spective is t of a he surface of of water. The ind incidence with wea white li ices of re faction of kly reflected? wavel at nommal ween 400 nm to 800 nm wa ctr
A soap film (n=1.33) is 764 nm thick. White light strikes the film at normal incidence. What visible wavelengths will be constructively reflected if the film is surrounded by air on both sides?
A soap film (n=1.33) is 769 nm thick. White light strikes the film at normal incidence. Part A What visible wavelengths will be constructively reflected if the film is surrounded by air on both sides?
A soap film (n=1.33) is 781 nm thick. White light strikes the film at normal incidence. You may want to review (Pages 991 - 997) . Part A What visible wavelengths will be constructively reflected if the film is surrounded by air on both sides? If there is more than one answer, separate them by a comma.
6 Three long current parallel wies 12A.-8A) are a distance What is the magnetic force on ss-2m) 00-4 10-7 T A a 12 Is 7. A 12-turn square loop (0.2 m along a side, resistance-4 Ω) is placed in a magnetic field al shown. The magnitude of this field varies with time according to B-2-13f, whereis measured in s and B in T. (a) What is the induced current in the coil at 1.5 s? (b) Show the direction of...
A thin film of oil (n. =1.50) with varying thickness floats on water (nw = 1.33). When it is illuminated from above by white light, the reflected colors are as shown in the figure below. In air, the wavelength of yellow light is 580 nm. (a) What is the oil's thickness t at point B? (hint: this is the second thinnest region for yellow light]. (b) Estimate (no calculation) the oil's thickness at point A. [hint : use the result...
a) An oil slick on water is 108 nm thick and illuminated by white light incident perpendicular to its surface. What color does the oil appear (what is the most constructively reflected wavelength, in nanometers), given its index of refraction is 1.41? (Assume the index of refraction of water is 1.33.) wavelength________ nm b)A ruby laser beam is reflected from the surface of a CD onto a wall. The brightest spot is the reflected beam at an angle equal to...
Note: This test contains ten questions from chapter 19 to chapter 27. For full credit, you should show all the steps of your numerical answers. No credit would be earned for just circling the right answers. Chapter 19 - Electric Potential and Electric Potential Energy 1. Two point charges are of + 7 uC and - 4 C are held at the corners of a rectangle as shown. The lengths of the sides of rectangle are 0.15 m, and 0.05...
of an electromagnetic wave propagating in a vacuum is 65 x 10 Hz. See the table for problem 1 1) To what part of the electromagnetic spectrum does this wave a) blue light 2) The electromag a)perpendicular to b) parallel to the the magnetic field b) green light netic field of the electromagnetic wave is d) violet light c) antiparallel to the d) paralel to the wave velocity magnetic field magnetic field The speed of light in a medium is...
Question 5:
How would dust and oil on the glass plates affect the
results?
EXPERIMENT 10 THIN FILM INTERFERENCE Light from a monochromatic source is shined downward on two glass plates that are separated at one end by a hair. Light that is reflected from the top and bottom surfaces of the wedge-shaped thin film of air undergoes interference, and a series of dark and light lines are seen. By counting the number of dark or light lines over a...