What is the maximum radiation pressure exerted by sunlight in space (S = 1350 W/m2) on a highly polished silver surface?

A) 1.4 × 10−2 Pa B) 0.12 Pa C) 9.0 × 10−6 Pa D) 4.5 × 10−5 Pa E) 2.3 × 10−6 Pa A) 1.4 × 10−2 Pa B) 0.12 Pa C) 9.0 × 10−6 Pa D) 4.5 × 10−5 Pa E) 2.3 × 10−6 Pa

The intensity of radiation reaching the Earth from the Sun is 1350 W/m2. The Earth's radius is 6.4 × 106 m. How big a force does this radiation exert on the Earth? (Assume it is all absorbed.)

A) 5.8 × 108 N B) 1.2 × 109 N C) 2.3 × 109 N D) 4.6 × 109 N E) 1.7 × 1017 N A) 5.8 × 108 N B) 1.2 × 109 N C) 2.3 × 109 N D) 4.6 × 109 N E) 1.7 × 1017 N

Since ε0 = 8.85 × 10−12 C2 / N ⋅ m2, the units of ε0E2 can be reduced to

A) . B) . C) . D) . E) . A) . B) . C) . D) . E) .

Exam 34: Maxwells Equations and Electromagnetic Waves

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A possible means of spaceflight is to place a perfectly reflecting aluminized sheet into Earth orbit and use the light from the Sun to push this solar sail. If a huge sail of area 6.00 × 105 m² and mass 6000 kg were placed into orbit and turned toward the Sun, what would be the force exerted on the sail? (Assume a solar intensity of 1380 W/m².)

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Question 21

Near the surface of the planet, the Earth's magnetic field is about 0.50 × 10−4 T. How much energy is stored in 1.0 m³ of the atmosphere because of this field?

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Question 22

The Earth is 1.49 × 1011 meters 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?

(Multiple Choice)

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Question 23

What is the maximum radiation pressure exerted by sunlight in space (S = 1350 W/m²) on a highly polished silver surface?

(Multiple Choice)

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Question 24

At a distance of 10 km from a radio transmitter, the amplitude of the E field is 0.20 volts/meter. What is the total power emitted by the radio transmitter?

(Multiple Choice)

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Question 25

The magnetic field of a plane-polarized electromagnetic wave moving in the z-direction is given by in SI units. What is the maximum E field?

(Multiple Choice)

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Question 26

High frequency alternating current is passed through a solenoid that contains a solid copper core insulated from the coils of the solenoid. Which statement is correct?

(Multiple Choice)

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Question 27

Find the frequency of X-rays of wavelength 1 Å = 10−10 m.

(Multiple Choice)

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Question 28

The speed of light is given by the value of

(Multiple Choice)

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Question 29

Polarized light is to have its polarization plane rotated by 90°. In which of the following cases does the final beam have the greatest intensity?

(Multiple Choice)

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Question 30

If the maximum E-component of an electromagnetic wave is 600 V/m, what is the maximum B-component?

(Multiple Choice)

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Question 31

In an electromagnetic wave, 1) how are the electric and magnetic field directions related and 2) how is the direction of travel determined from their directions? ( is the velocity of the light wave.)

(Multiple Choice)

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Question 32

An open circuit consists of a 12-μF parallel plate capacitor charged to 200 V and a 10-Ω resistor. At the instant when a switch closes the circuit (with no battery in it) the displacement current between the plates of the capacitor is

(Multiple Choice)

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Question 33

The intensity of radiation reaching the Earth from the Sun is 1350 W/m². The Earth's radius is 6.4 × 106 m. How big a force does this radiation exert on the Earth? (Assume it is all absorbed.)

(Multiple Choice)

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Question 34

At every instant the ratio of the magnitude of the electric to the magnetic field in an electromagnetic wave in vacuum is equal to

(Multiple Choice)

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Question 35

How much electromagnetic energy is contained in each cubic meter near the Earth's surface if the intensity of sunlight under clear skies is 1000 W/m²?

(Multiple Choice)

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Question 36

Two identical silver spheres of mass m and radius r are placed a distance R (sphere 1) and 2R (sphere 2) from the Sun, respectively. The ratio of the gravitational force exerted by the Sun on sphere 1 to the pressure of solar radiation on sphere 1 is T1; the ratio for sphere 2 is T2. The ratio of T2 to T1 is

(Multiple Choice)

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Question 37

Find the force exerted by reflecting sunlight off a reflecting aluminum sheet in space if the area normal to the sunlight is 10,000 m² and the solar intensity is 1350 W/m².

(Multiple Choice)

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Question 38

A solar cell has a light-gathering area of 10 cm² and produces 0.2 A at 0.8 V (DC) when illuminated with S = 1000 W/m² sunlight. What is the efficiency of the solar cell?

(Multiple Choice)

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Question 39

Since ε0 = 8.85 × 10−12 C2 / N ⋅ m², the units of ε0E2 can be reduced to

(Multiple Choice)

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Question 40

Showing 21 - 40 of 41

Exam 34: Maxwells Equations and Electromagnetic Waves

Near the surface of the planet, the Earth's magnetic field is about 0.50 × 10−4 T. How much energy is stored in 1.0 m3 of the atmosphere because of this field?

The Earth is 1.49 × 1011 meters 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?

What is the maximum radiation pressure exerted by sunlight in space (S = 1350 W/m2) on a highly polished silver surface?

At a distance of 10 km from a radio transmitter, the amplitude of the E field is 0.20 volts/meter. What is the total power emitted by the radio transmitter?

The magnetic field of a plane-polarized electromagnetic wave moving in the z-direction is given by in SI units. What is the maximum E field?

High frequency alternating current is passed through a solenoid that contains a solid copper core insulated from the coils of the solenoid. Which statement is correct?

Find the frequency of X-rays of wavelength 1 Å = 10−10 m.

The speed of light is given by the value of

​Polarized light is to have its polarization plane rotated by 90°. In which of the following cases does the final beam have the greatest intensity?

If the maximum E-component of an electromagnetic wave is 600 V/m, what is the maximum B-component?

In an electromagnetic wave, 1) how are the electric and magnetic field directions related and 2) how is the direction of travel determined from their directions? ( is the velocity of the light wave.)

An open circuit consists of a 12-μF parallel plate capacitor charged to 200 V and a 10-Ω resistor. At the instant when a switch closes the circuit (with no battery in it) the displacement current between the plates of the capacitor is

The intensity of radiation reaching the Earth from the Sun is 1350 W/m2. The Earth's radius is 6.4 × 106 m. How big a force does this radiation exert on the Earth? (Assume it is all absorbed.)

At every instant the ratio of the magnitude of the electric to the magnetic field in an electromagnetic wave in vacuum is equal to

How much electromagnetic energy is contained in each cubic meter near the Earth's surface if the intensity of sunlight under clear skies is 1000 W/m2?

Find the force exerted by reflecting sunlight off a reflecting aluminum sheet in space if the area normal to the sunlight is 10,000 m2 and the solar intensity is 1350 W/m2.

A solar cell has a light-gathering area of 10 cm2 and produces 0.2 A at 0.8 V (DC) when illuminated with S = 1000 W/m2 sunlight. What is the efficiency of the solar cell?

Since ε0 = 8.85 × 10−12 C2 / N ⋅ m2, the units of ε0E2 can be reduced to

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Near the surface of the planet, the Earth's magnetic field is about 0.50 × 10−4 T. How much energy is stored in 1.0 m³ of the atmosphere because of this field?

The Earth is 1.49 × 1011 meters 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?

What is the maximum radiation pressure exerted by sunlight in space (S = 1350 W/m²) on a highly polished silver surface?

Polarized light is to have its polarization plane rotated by 90°. In which of the following cases does the final beam have the greatest intensity?

The intensity of radiation reaching the Earth from the Sun is 1350 W/m². The Earth's radius is 6.4 × 106 m. How big a force does this radiation exert on the Earth? (Assume it is all absorbed.)

How much electromagnetic energy is contained in each cubic meter near the Earth's surface if the intensity of sunlight under clear skies is 1000 W/m²?

Find the force exerted by reflecting sunlight off a reflecting aluminum sheet in space if the area normal to the sunlight is 10,000 m² and the solar intensity is 1350 W/m².

A solar cell has a light-gathering area of 10 cm² and produces 0.2 A at 0.8 V (DC) when illuminated with S = 1000 W/m² sunlight. What is the efficiency of the solar cell?

Since ε0 = 8.85 × 10−12 C2 / N ⋅ m², the units of ε0E2 can be reduced to