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Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. It then falls on two slits separated by 0.420mm . In the resulting interference pattern on a screen 2.16m away, adjacent bright fringes are separated by 2.78mm
What is the wavelength of the light that falls on the slits?
It leaves the track horizontally, flies through the air, and subsequently strikes the ground. Elucidate the speed v of the block when it leaves the track?
A 20x telescope has a 12-cm diameter objective lens. What minimum diameter should the eyepiece lens have to collect all the light rays from an on axis distant source.
A 563 Hz sound wave travels through a substance. The wavelength of the sound wave is measured to be 2.9 meters
An object is placed 17.4 cm to the left of a thin diverging lens that has focal length ?11.7 cm. What is the distance between the object and the image
A wave on a string is described by D(x,t)=(2.00cm)sin[(12.57rad/m)x?(638rad/s)t],where x is in m and t is in s. The linear density of the string is 5.00g/m, What is the maximum speed of a point on the string
An alpha particle (q = 2e and m = 6.64e-27 kg) is accelerated from rest through a potential difference of 1.2e+5 volts. Find the speed of the particle after being accelerated
A centrifuge in a medical laboratory rotates at an angular speed of 3500 rev/min. When switched off, obtain the constant angular acceleration of the centrifuge
At time t=0 a grinding wheel has an angular velocity of 26.0 rad/s. It has a constant angular acceleration of 29.0 rad/s^2 until a circuit breaker trips at time t = 2.50 s. From then on, the wheel turns during an angle of 440 rad as it coasts to a..
Two boats are initially separated by distance d and head directly toward one another. The skippers of the boats want to arrive at the same time at the point that is halfway between their starting points.
If you were to send a beam of laser light to a space station above an atmosphere and just above the horizon, would you aim the laser above, below or at the visible space station.
2.7 moles of neon gas expand adiabatically and in the process do 980J of work. Whats the gas's temperature drop
A 5p-mm-focal-length lens has f-stops ranging from f/1.4 to f/22. What is the corresponding range of lens diaphragm diameters
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