Physics Relativity Level: Misc Level
Suppose a person riding on top of a freight car shines a searchlight beam in the direction in which the train is traveling. Compare the speed of the light beam relative to the ground when:
a.The train is at rest. b. The train is moving. How does the behavior of the light beam differ from the behavior of a bullet fired in the same direction from the top of the freight car?
Physics Modern Physics Level: Misc Level
What is the de Broglie wavelength of an electron, M=1x10-31 kg which has been accelerated across a potential difference of 800 volts?
Physics Modern Physics Level: Misc Level
Construct an energy-level diagram for doubly ionized lithium L2+
Physics Modern Physics Level: Misc Level
Describe how the Bohr concept of the atom was able to explain the discrete sprctra for Hydrogen.Include stationary stares, emission, exited energy states. Diagrms can be used.
Physics Modern Physics Level: Misc Level
What is the difference between fission and fusion?
Physics Relativity Level: Misc Level
A rocket ship leaves the earth at a speed of 0.800 c. Find the following : a) How much time does it take for the rocket to travel a distance of 2x1016 m as measured on earth?
b) How much time does it take a person on the rocket as measured on the rocket?
c) What is the distance as measured by someone on the rocket for the 2x1016 m?
Physics Wave Optics Level: Misc Level
Suppose that Young,s experiment is performed with light of wavelength 548 nm. The slits are 1.16 mm apart, and the viewing screen is 4.12 m from the slits. How far apart are the bright fringes in meters?
Physics Wave Optics Level: Misc Level
Monochromatic light of wavelength 469 nm illuminates two parallel narrow slits 6.63 um apart. Calculate the angular deviation of the third- order (for m=3) bright fringe.
Physics Wave Optics Level: Misc Level
A beam of unpolarized light, with intensity 43 W/m2, is sent into a system consisting of two polarizing sheets with polarizing directions at angles 01=73% and 02=90% to the y axis. What is the intensity of the light transmitted by the system?
Physics Modern Physics Level: Misc Level
A beam of light, with intensity 63 W/m2 and polarization parallel to a y axis, is sent into a system of two polarizing sheets with polarizing directions at angles of 01=%52% and 02=90% to the y axis. What is the intensity of the light transmitted by the two -sheet system?
Physics Modern Physics Level: Misc Level
Initially unpolarized light is sent into a system of three polarizing sheets whose polarizing directions make angles of 01=36%,02=28%, and 03=52% with the direction of the y axis. What percentage of the light,s initial intensity is transmitted by the system?
Physics Wave Optics Level: Misc Level
Suppose a photon collides with a free electron and gives the electron some of its energy, How are the photon,s energy, frequency and wavelength affected by the collision?
Physics Properties Of Matter Level: Misc Level
Why do metals exhibit the photoectric effect more easily than other materials ?
Physics Modern Physics Level: Misc Level
An electron and proton are moving at the same speed, which has a higher de Broglie wavelength?
Chemistry Organic Chemistry Level: Misc Level
What organic product (s) is formed when 1-methylcycopentanol is heated in the presence of an acid catalyst?
