Exam 23: Mirrors and Lenses: Part A

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A beam of polarized light of intensity I0 passes through a sheet of ideal polarizing material.The polarization axis of the beam and the transmission axis of the sheet differ by 45°.What is the intensity of the emerging light?

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Peak values for a neodymium-glass laser are 1200 J for 1 nanosecond.If the cross section of the laser beam is 1 cm2,what are the maximum values of E and B? (µ0 = 4π × 10−7 T⋅m/A,c = 3.00 × 108 m/s)

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A radio wave transmits 4.8 W/m2 average power per unit area.What is the peak value of the associated magnetic field? (μ0 = 4π × 10−7 T⋅m/A and c = 3.00 × 108 m/s)

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The Earth is 1.49 × 1011 m from the Sun.If the solar radiation at the top of the Earth's atmosphere is 1340 W/m2,what is the total power output of the Sun?

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A beam of plane polarized light is incident on 3 polarizers,the first with an axis at 30° to the original plane of polarization,the second at 60° to the original plane of polarization,and the third at 30° to the original plane of polarization.What angle does the plane of polarization of the transmitted light make with the original plane of polarization of the original beam?

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A radio wave signal,which transmits at a frequency of 10.4 MHz,has what wavelength? (c = 3.00 × 108 m/s)

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A solar cell has a light-gathering area of 10 cm2 and produces 0.30 A at 0.80 V (DC)when illuminated with sunlight of intensity 1000 W/m2.What is the efficiency of the solar cell?

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Unpolarized light of intensity I0 passes through two sheets of ideal polarizing material.If the transmitted intensity is 0.375I0,what is the angle between the polarizers?

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How is the direction of propagation of an electromagnetic wave oriented relative to the associated How is the direction of propagation of an electromagnetic wave oriented relative to the associated   And   Fields? And How is the direction of propagation of an electromagnetic wave oriented relative to the associated   And   Fields? Fields?

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A 100-kg spacecraft has a sail of area 300 m2 that is absorbing sunlight of intensity 800 W/m2.What is the resulting acceleration of the spacecraft?

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Find the frequency of X-rays of wavelength 2 × 10−11 m.(c = 3 × 108 m/s)

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