Physics Solutions Library

Physics Solutions Library

Access over 6,133 Physics video and text solutions to help you complete your homework.

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6,133 solutions

What is an Electromagnetic Wave?

Q. A 7.55 x 1014 Hz electromagnetic wave propagates in carbon tetrachloride with a speed of 2.05 x 108 m/s. The wavelength of the wave in carbon tetra...

Solved • Jan 11, 2017

Magnetic Field Produced by Loops and Solenoids

Q. A wire carrying a current is shaped in the form of a circular loop of radius 4.0 mm. If the magnetic field strength at its center is 1.1 mT with no...

Solved • Jan 11, 2017

Refraction Of Light

Q. A tank holds a layer of oil, 1.65 m thick, which floats on a layer of syrup that is 0.83 m thick as shown in the figure. Both liquids are clear and...

Solved • Jan 11, 2017

Capacitors in AC Circuits

Q. If the voltage amplitude across an 8.50-μF capacitor is equal to 12.0 V when the current amplitude through it is 3.33 mA, the frequency is closest ...

Solved • Jan 11, 2017

What is an Electromagnetic Wave?

Q. When light travels from air to water,A) its velocity, wavelength and frequency all change.B) its velocity and wavelength change, but its frequency ...

Solved • Jan 10, 2017

Energy Carried by Electromagnetic Waves

Q. A laser beam has a wavelength of 633 nm and a power of 0.500 mW spread uniformly over a circle 1.20 mm in diameter. This beam falls perpendicularly...

Solved • Jan 10, 2017

Energy Carried by Electromagnetic Waves

Q. A laser beam has a wavelength of 633 nm and a power of 0.500 mW spread uniformly over a circle 1.20 mm in diameter. This beam falls perpendicularly...

Solved • Jan 10, 2017