intensity at 4 m
I = P / area = 69 / ( 4* 3.14* 4^2)
I = 0.343 W/m^2
as we know
I = 0.5 eo C Eo^2
0.343 = 0.5* 8.85* 10^-12* 3* 10^8* Eo^2
Eo = 16.08 N/C ===>>> Ans(b)
also
Eo = c Bo
Bo = 5.36* 10^-8 T ====>>> Ans (a)
=======
Comment before rate in case any doubt, will reply for sure.. goodluck
A monochromatic light source with a power output of 69.0 W radiates light of wavelength 780...
Part A Monochromatic light passes through a single slit. The 4th dark fringe is at an angle of 0.511 radions. If the wavelength of light is 532 nm, what is the slit width? 4.90x10-6 m 0 4.35x10-6 m O 3.81x10-6 m 5.44x10m Submit Request Answer rovide Feedback
Constants Part A Monochromatic light of wavelength 469 nm from a distant source passes through a slit that is 0.0330 mm wide. In the resulting diffraction patterm, the intensity at the center of the central maximum (0- 0°) is 1.17x10-4 W/m2 What is the intensity at a point on the screen that corresponds to -1.20 Express your answer to three significant figures and include the appropriate units. 3.56 . 10.8 Submit ious Answers Request Answer
A light source emits EM waves of 4.00 W total power uniformly in all directions. Assume the wave have a single frequency (monochromatic) a) What is the intensity of the waves at 2.00 m from the light source? b) What iw the electric eld amplitude Eo produced at 2.00 m from the light source?
In a double-slit experiment, the slits are illuminated by a monochromatic, coherent light source having a wavelength of 517 nm. An interference pattern is observed on the screen. The distance between the screen and the double-slit is 1.3 m and the distance between the two slits is 0.118 mm. A light wave propogates from each slit to the screen. What is the path length difference between the distance traveled by the waves for the fifth-order maximum (bright fringe) on the...
If the wall is 5 m from the source and the wavelength of the light is 650 nm, what is the distance between the slits? 32.500 nm 65,000 nm 130,000 nm 650 nm 2.600 nm Submit Request Answer You see this diffraction pattern on a wall. + 10 cm -> Part A What type of source created that pattern? A two-slit system A circular aperture A singe-slit system A diffraction grating
If a 120-W lightbulb emits 2.5 % of the input energy as visible light (average wavelength 550 nm) uniformly in all directions. Part A How many photons per second of visible light will strike the pupil (4.0 mm diameter) of the eye of an observer 1.6 m away? Express your answer using two significant figures. Part B How many photons per second of visible light will strike the pupil (4.0 mm diameter) of the eye of an observer 1.5 km...
Monochromatic light of wavelength 592 nm from a distant source passes through a slit that is 0.0330 mm wide. In the resulting diffraction pattern, the intensity at the center of the central maximum (0 = 0°) is 5.00x10-5 W/m² . Part A What is the intensity at a point on the screen that corresponds to 0 = 1.20° ? Express your answer with the appropriate units. μΑ ? I = Value Units
In a double-slit experiment, the slits are illuminated by a monochromatic, coherent light source having a wavelength of 697 nm. An interference pattern is observed on the screen. The distance between the screen and the double-slit is 1.67 m and the distance between the two slits is 0.104 mm. A light wave propogates from each slit to the screen. What is the path length difference between the distance traveled by the waves for the fifth-order maximum (bright fringe) on the...
SHOW ALL WORK Review Monochromatic light passes through two slits separated by a distance of 0.0388 mm. Part A If the angle to the third maximum above the central fringe is 3.64 °, what is the wavelength of the light? Express your answer to three significant figures. ΑΣφ = nm Request Answer Submit II
Monochromatic light from a distant source is incident on a slit 0.845 mm wide. On a screen 2.07 m away, the distance from the central maximum of the diffraction pattern to the first minimum is measured to be 1.41 mm. Calculate the wavelength of the light.