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Problem: What is wavelength of the photon emitted when an electron in a singly ionized helium atom which is in the initial state n1=8 jumps to final state nf=4.
I need the correct answer and steps of solving above problem. Thanks!
The gauge pressure in a helium gas cylinder is initially 26atm. What fraction of the original gas remains in the cylinder
A 2.00 nF capacitor with an initial charge of 5.12 µC is discharged through a 1.76 k resistor. What is the maximum current in the resistor
A uniform Gravitational Field: Calculate the Reimann curvature for the metric ds^2=-(1+gx)^2dt^2+dx^2+dy^2+dz^2, thereby showing this spacetime is flat. Find a coordinate transformation that puts this metric into the usual Minkowski form.
Two 40.0 µF capacitors in parallel are connected across a sinusoidal ac generator operating at 60.0 Hz. how much current passes through each capacitor
A 190g ball is dropped from a height of 1.9m , bounces on a hard floor, and rebounds to a height of 1.4m. What maximum force does the floor exert on the ball
Most asteroids are oblong in shape. Approximate an asteroid as being made up of two identical spheres of mass M and radius R that are just touching each other, in a figure eight
A 0.800 kg particle has a speed of2.00 m/s at point A andkinetic energy of 7.30 J at pointB.
A wedge of mass M and angle a slides freely on a horizontal plane. A particle of mass m moves freely on the wedge. Determine the motion of the particle as well as that of the wedge.
A rock is dropped off a bridge and hits the water below 3 s later. The rock is going 30 m/s before it hits the water. what is the height of the bridge above the water
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. How many electrons are there in 6.24 liters of water
When a stone of weight W is suspended from a scale and submerged in water the scale reads 10 kg. what is the true weight W (in kg) of the stone
A river flows due east with aspeed of 2.2 m/s. A man steers amotorboat across the river. His velocity relative to the water is3.9 m/s due south. What is his velocity relative to the earth
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