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An electron is trapped in a 1-dimensional box that is 601 nm wide Initially, it is in the n = 2 energy level, but after a photon is absorbed the electron is in the n = 8 energy level. What was the wavelength of the absorbed photon?
Eventually, the electron ends up in the ground state. As it does so, one or more photons are emitted during those transitions Find the wavelengths of the least energetic and most energetic photons that might be emitted during the all the possible transitions to the ground state.
While on the surface of the planet mars a mass of 1 kginitially at rest falls a height of 1m onto a spring. The spring isobserved to compress 0.2m. What is the starting energy of the oscillator
A bullet of mass 5.0 g is fired horizontallyinto a 2.3 kg wooden block at rest on a horizontal surface. At what speed is the bullet fired
Two resistors of 30 kΩ and 10 kΩ are connected in parallel to a 10 Volt battery. Find what is the current through each of the two resistors
a 0.465 kg wood block is firmly attached to a very light horizontal spring k 165 nm . it is noted that the
two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. the orbital speeds
The eyepiece of a compound microscope has a focal length of 2.80 centimeter, and the objective lens has f = 0.720 centimeter. Find the distance between the lenses when the microscope is adjusted for a relaxed eye
Two capacitors, one 8.0 µF the other 16 µF, are connected in parallel across a 12-V battery. Find the charge stored on 16 µF capacitor
Images of a slit pair and a transparent scale, with centimetre graduations, are projected onto a distant screen. If a length of 2 cm on the scale is magnified to a length of 36.1 cm on the screen, and the separation of the slit centres is magnified t..
Use the principle of conservation of linear momentum to determine the common speed of the blocks just after the collision.
A U-shaped tube, open to the air on both ends, contains mercury. Water is poured into the left arm until the water column is 16.5cm deep.
A solid disk with m=60.0kg and a diameter of 48.0cm is to be turned from rest through 12.0 revolutions in 6.00s. Calculate the torque required to accomplish this
a model of a helicopter rotor has four blades each of length 3.50m from the central shaft to the blade tip. the model
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