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The hydrogen spectrum has a red line at 656 nm and a violet line at434 nm. What angular separation between two spectral lines obtainedwith a diffraction grating that has 4880lines/cm? (Assume that the light is incident normally on thegrating.)
first order separationsecond order separation
The potential difference across a typical cell membrane is about 76 mV. How much work is done on a singly ionized potassium ion moving through the membrane
There is a region with a constant magnetic field 5.2T. The magnetic field is directed out of the page. What is the current induced in the rod if the resistance is 4.9ohms
The verical displacement of a string is given by y(x,t)=(6.00 mm) cos[(3.25m^-1)x-(7.22s^-1)t]. What is the speed of the wave
A series RLC circuit with R = 43 Ohms , L = 270 mH , Find the maximum frequency of the frequency range over which the peak current will exceed half its value at resonance
An electron is trapped within a sphere whose diameter is 5.90 × 10-15 m, What is the minimum uncertainty in the electron's momentum
If the lamp's 215 W output is focused on a person's shoulder, over a circular area 25.0 cm in diameter, Find the peak magnetic field strength
A cannonball sits on top of a 10 meter cliff and is fired at a 10 degree angle with an initial velocity of 50 m/s. What is the maximum height of the cannonball relative to the ground? At maximum height what is the magnitude of the velocity? How lo..
A boat can travel 4.0 m/s in still water. With what speed, relativeto the shore, does it move in a river that is flowing at 1.0 m/s if the boat is headingup stream?
A light bulb is connected to a 120.0-V wall socket. The current in the bulb depends on the time t according to the relation I = (0.703 A) sin [(257 rad/s)t]. What is the average power delivered to the light bulb
A gas molecule having a speed of 322 m/s collides elastically with another molecule of the same mass, which is initially at rest. Find the speed of each molecule after collision
Suppose we are on a space ship generating a beam of electrons. In our reference frame, the electrons are traveling in the +x direction with a speed of 0.87c. Find the speed of the electrons in the Earth's reference frame
An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at. It then oscillates with a period of 1.5 and the maximum speed of 32.
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