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Find the temperature of a cavity having an irradiance at 200 nm that is 3.82 times the irradiance at 400 nm.
2. A 2.30 cm diameter tungsten sphere is heated to a temperature of 2000 degree C. At this temperature tungsten radiates only 30% of the energy radiated by a blackbody of the same size and temperature.
(a) Determine the temperature of a perfectly black spherical body of the same size that radiates at the same rate as the tungsten sphere.
(b) calculate the diameter of a perfectly black spherical body at the same temperature as the tungsten that radiates at the same rate.
The deflection plates in an oscilloscope are 10 cm by 2 cm with a gap distance of 1 mm. A 100 volt potential difference is suddenly applied to the initially uncharged plates through a 950 ohm resistor in series with the deflection plates.
A rigid container holds 2.7mol of gas at a pressure of 2.6atm and a temperature of 50 C. What is the container's volume
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A 52.5 g Super Ball travelling at 30 m/s bounces off a brick wall and rebounds at 16.0 m/s. A high-speed camera records this event. If the ball is in contact with wall for 3.25 ms, what is the magnitude of the average acceleration of ball during t..
If the wire is heated to 38.0°C while the 7.0-V potential difference is maintained, what is the resulting current in the wire
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