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Question: The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm (red) and 486 nm (blue). Light from a hydrogen lamp illuminates a diffraction grating with 510lines/mm , and the light is observed on a screen 1.7m behind the grating.
Part A: What is the distance between the first-order red and blue fringes?
I need help to calculate the distance between the first-order red and blue fringes.
Two loudspeakers are placed 3.00meters apart, as shown in thefigure . They emit 494 Hz sounds, in phase. How far must the microphone be moved to the right to find thefirst intensity minimum
A circuit contains two elements, but it is not known if they are L, R or C. The current in this circuit when connected to a 9.30×101 V, What is the power dissipated in the circuit
A cube of 54.4 cm on a side is placed in a uniform electric field, E, of 8010.0 N/C with four of its faces parallel to E and two of its faces perpendicular to E. find the electric flux (&PhiE) through the two penpendicular faces
The nucleus of a hydrogen atom is a single proton. The radius of a proton is approximately 1 fm. What fraction of a hydrogen atom is occupied by the nucleus
A three-step cycle is undergone by 3.4 mol of an ideal diatomicgas: (1) the temperature of the gas is increased from 200 K to 400 K at constanr volume;
A 1.60-mol sample of helium gas initially at 300 K, and 0.400 atm is compressed isothermally to 1.60 atm. Note that the helium behaves as an ideal gas. Find the final volume of the gas.
question a 0.900-v potential difference is maintained across a 1.50-m length of tungsten wire that has a
A 250-g object attched to a spring oscillates on a frictionless table with a frequency of 4 Hz and an amplitude of 20 cm. Calculate the maximum potential energy of the system
In response to a stimulus, membrane can become permeable to Na ions. As Na ions rush into the cell, the interior of the cell reaches an electric potential of about 40 rm mV.
What is the bubble's diameter just as it reaches the surface of the lake, where the water temperature is 20^circ {rm C}? Suppose that the air bubble is always in thermal equilibrium with the surrounding water.
A rifle with a barrel length of 56 cm fires a 14 g bullet with a horizontal speed of 350 m/s/s. The bullet strikes a block of wood and penetrates to a depth of 13 cm.
a young woman on a skateboard is pulled by a rope attached to a bicycle. the velocity of the skateboarded is v4.1 ms x
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