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It is placed it in the path of the laser beam with the slit vertical and positioned so that the laser spot on the screen is as bright as possible.
Compare the size and shape of the spot that would appear on the screen with that seen without the slit.
The width of the slit is slowly decreased. Once diffraction effects become evident, what happens as the slit gets narrower?
Why is there no change in the pattern in the vertical direction? What do you suppose the pattern for a round hole would look like?
After sliding on a rough, horizontal surface, a 25.0-kg rock initially going 8.5 m/s eventually stops due to friction. What average power is produced by friction as the rock stops
1 a duck has a mass of 2.0 kg. as the duck paddles a force of 0.06 n acts on it in a direction due east. in addition
A 400 cm rope under a tension of 90 N is set into oscillation. The mass density of the rope is 170 g/cm. What is the frequency of the first harmonic mode (m = 2)?
A light bulb emits light uniformly in all directions. The averageemitted power is 150.0 W. At a distance of 7 m from the bulb,determine (a) the average intensity of the light,(b) the rms value of the electric field, and(c) the peak value of the elect..
662 keV photons are emitted as a result of the decay of 137Cs. These photons undergo Compton scattering. What is the minimum energy of a Compton scattered photon? What is the maximum Compton electron energy?
A 2.61e-6 F capacitor is charged to 1270 V and a 6.58e-6 F capacitor is charged to 420 V. what will be the potential difference across each
a person pulls on a 50Kg desk with a 200N force acting at 30 angle above the horizontal. the desk does not budge. draw a force diagram for the desk. Write down the equation that describes the forces which act in the x-direction.
A 4m long, 140g rope is fixed at one end while the other is tied to a light string. what is the frequency of the third harmonic
A rms AC voltage of 118 V at 60 Hz is applied to an RLC circuit with 11.8 mH inductor, 0.171 µF capacitor, and 43.1 ? resistor in series. What is the power consumed in the circuit
A 90 Kg halfback running north with a speed of 10m/s is tackled bya 120 Kg opponent running south at 4m/s. The collision is perfectlyinelastic. Compute the velocity of the 2 players just after the tackle.
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 19.0 m/s at an angle 48.0 degrees; How high above the ground will the ball be when it gets to Julie
A 1.53 kg ball is attached to a ceiling by a 3.06 m longstring. The height of the room is 5.12 m. The acceleration of gravity is 9.8 m/s2. What is the gravitational potential energy relative to the floor
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