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Solve the given problems:
Problem I: What is the threshold frequency for the photoelectric effect of uranium (phi = 3.6 eV)?
Hz
Problem II: What is the stopping potential if the wavelength of the incident light is 330 nm?
eV
I want help to find the threshold frequency for the photoelectric effect of uranium.
Two long, coaxial cylindrical shell conductors carry equal and opposite charges. The inner shell has radius "a" and charge +q, and the outer shell had radius "b" and charge -q. Find the potential difference between the shells
q1. a dielectric-filled parallel-plate capacitor has plate area 40.0cm2 plate separation 5.00mm and dielectric
erson decides to use an old pair of eyeglasses to make someoptical instruments. What is the maximum angular magnification he can produce in a telescope
a balloon filled with one liter of air is tied to a brick and dropped from a height of 4600m above sea level. what will be the volume of the baloon when it reaches sea level
a uniform electric field of 8 vm exists between the plates of a parallel plate capacitor. how much work is required to
An AC generator supplies 215 V peak voltage at 125 Hz frequency. How much power is dissipated in a resistor with R=165 ohms resistance connected to the generator
An Olympic pool has dimensions 50.0 m × 25.0 m × 2.68 m (length × width × depth). The density of the pool water is 1007 kgm-3. Atmospheric pressure (1.00 atm) is acting on the surface of the water.
a student sits on a freely rotating stool holding two weights each of mass 3.09 kg. when his arms are extended
When you push on an object, define how does the magnitude of the force affect its motion? If you push harder, is the change in motion smaller or larger
A chairlift has a length of 2 km, a vertical rise of 100 m, and it is operating at a constant speed of 8 km/h. The chairs are located 20 m apart, and each chair can seat four people (250 kg total mass). Determine the power required to operate this..
A parallel-plate capacitor has circular plates with radius 45 centimeter and spacing 1.0 millimeter. Obtain the magnetic field between the plates on the symmetry axis
a particle is projected vertically upwards with a velocity of v0 in a constant gravitational field. the medium offers a
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