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1. In 1900, did it seem clear that x rays were electromagnetic radiation? Give reasons for your answer. Was it important to perform further experiments to verify the characteristics of x rays?
2. In the early 1900s it was found that x rays were more dif?cult to refract or diffract than visible light. Why did this lead researchers to suppose that the wave- lengths of x rays were shorter rather than longer than those of light?
3. What determines whether a given photon is an x ray? Could an x ray have a wavelength longer than some ultraviolet light?
4. For a single crystal, transmission x-ray scattering will produce dots. However, if there are randomly ori- ented crystals, as in powder, concentric rings appear. Explain the difference qualitatively.
5. How many particles do you think might be shown experimentally to exhibit wavelike properties? List at least four and discuss possible experiments to show this behavior.
During a violent thunderstorm, hail the size of marbles (diameter = 2.10 cm) falls at a speed of 37.0 m/s. What is the mass of each hailstone
Air that initially occupies 0.16 m3 at a gaugepressure of 100 kPa is expanded isothermally to a pressure of 101.3kPa and then cooled at constant pressure until it reaches itsinitial volume. Compute the work done by the air
using momentum newtons first law of motion and or newtons second law of motion explain how a rocket is launched deep
A toy car X of mass .200 kg moves along a frictionless surface with a velocity of .180 m/s. It collides with another toy car Y, with the mass .250 kg and a speed of .130 in the same direction.
A 1.11 kg block slides down a 24.0 m long 28.0° incline at constant velocity. How much work is done by friction
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a 190 kg object is moving 15 ms. if a net work of 12500 j is done on the object to increase its speed then use the
The voltage across a parallel plate capacitor is 40sin(25t). Determine the displacement current at time t=3 sec if the plate area is 2*10^6 m^2
A 2.00-kg block slides down a board 1.50 mlong which is inclined at an angle of 40.0°. The coefficient of friction between the block and the board is 0.200. Find the work done by each force that acts on the blockas it slides from the top to the botto..
a 0.135-g spider hangs from the middle of the first thread of its future web. the thread makes an angle of 5.29deg
compute the magnetic flux through a rectangular coil of dimensions 6cmx8cm along the x-z plane if the magnetic filed of
A 10.0-kg mass is placed on a 25.0o degree incline and friction keeps it from sliding. What is the frictional force while the mass is sliding
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