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Rod cells in the retina of the eye detect light using a photopigment called rhodopsin. Suppose that 2.11 eV is the lowest photon energy that can trigger a response in one such photopigment. What is the maximum wavelength of electromagnetic radiation that can cause a transition? nm In what part of the spectrum is this?
The calorimeter is constructed of a material that has a specific heat of 0.10 cal/ g. ^{circ}C. When equilibrium is reached, what will be the final temperature.
The isotope Po (A-218 Z-84) can decay by either alpha or beta emission. What is the energy release in each case
An open organ pipe 0.750 {\rm m} long has its first overtone at a frequency of 441 {\rm Hz}. What is the temperature of the air in the pipe
It is desired to slip an aluminum ring over a steel bar. At 10 the inside diameter of the ring is 4.550 and the diameter of the rod is 4.580. Find the temperature at which the ring can be removed
An object moves with constant acceleration 3.55 m/s2 and over a time interval reaches a final velocity of 12.8 m/s.
A single slit forms a diffraction pattern, with the first minimum at an angle of 40.0° from central maximum, when monochromatic light of 520-nm wavelength is utilized. The same slit, illuminated by a new monochromatic light source, produces a diffrac..
A covex lens of focal length 10 cm placed 40 cm in front of aconcave lens of focal length 25 cm.A small object is placed 20 cmin front of the convex lens calculate the location of the finalimage relative to the second lens. Include a ray diagram
a hot air balloon rises from the ground with a velocity of 2.0 msyhat. a champagne bottle is opened to celebrate
You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, Find the net downward force on the tank's flat bottom, of area 2.50m^2 , exerted by the water and air inside the tank and the air outside the tank
A 0.100 kg block is suspended from a spring. When a small pebble of mass 40 gis placed on the block, the spring stretches an additional3.8 cm. With the pebble on the block, the block oscillates with amplitude of 15.0cm. (Suppose that the pebble is gl..
The larger molecule HI has a bond length of 160.92 pm (H=1, I=127). its bond's force constant is 314 N/m. what are the frequencies of light for that will excite the lowest energy rotational and vibrational translations
a cloud that is about to unleash a lightning bolt has a charge of 24 coulombs. in stormy weather powerful updrafts of
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