Determining the focal length of the lens
A converging lens forms an image of an 8.00-rnm-tall real object. The image is 12.0cm to the left of the lens, 3.40cm tall, and erect. What is the focal length of the lens? Where is the object located?
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The atomic spacing in rock salt, NaCl, is 0.282 nm. Find the kinetic energy (in eV) of a neutron with a de Broglie wavelength of 0.282 nm. Is a relativistic calculation needed? Such neutrons can be used to study crystal structure.
A dipole of moment 0.5 e·nm is placed in a uniform electric field with a magnitude of 4.0 x 104 N/C. What is the magnitude of the torque on the dipole when
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Evaluate the thermal conductivity of the soda lime glass at 300 K. If the aircraft has 130 windows and the cost to heat the cabin air is $l/kW · h, compare the costs associated with the heat loss through the windows for an 8-hour interconti
The current in the windings of a toroidal solenoid is 2.400 A. There are 500 turns, and the mean radius is 25.00 cm. The toroidal solenoid is filled with a magnetic material. The magnetic field inside the windings is found to be 1.940 T. Calculate
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