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When ultraviolet light with a wavelength of 400.0 nm falls on a certain metal surface, the maximum kinetic energy of the emitted photoelectrons is measured to be 1.10 eV. What is the maximum kinetic energy of the photoelectrons when light of wavelength 300.0 nm falls on the same surface?
q1. a battery having an emf of 11.10 v delivers 102 ma when connected to a 61.0 load. find out the internal resistance
A body of mass 2.9 kg makes an elastic collision with another body at rest and continues to move in the original direction but with one-fourth of its original speed. What is the mass of the other body
does the non-Coulomb electric field curl clockwise.
You want to photograph a circular diffraction pattern whose central maximum has a diameter of 1.1. How far behind the pinhole should you place the viewing screen
Titanium dioxide (TiO2), with an index of refraction of 2.50, is one compound that is often used as a lens coating. Find the smallest thickness of TiO2 that will meet these requirements
A piece of aluminum pipe has an inner radius of r_a = 2.0 cm and an outer radius of r_b = 2.2 com. Calculate the resistance of a 1 m long piece of pipe
Nichrome wire of cross-sectional radius 0.788 mm is to be used in winding a heating coil. find the length of wire you must use to wind the coil
A mass M is suspended using two cables which make angles of theta_1 and theta_2 with the horizontal across the top. What is the tension (T_1) in the left-handed cable
Two point charges Q1 = +5.70 nC and Q2 = %u22122.40 nC are separated by 25.0 cm. What is the potential energy of the pair of charges
Find out an average acceleration of the motorcycle
Light of wavelength 631 passes through a diffraction grating having 485. What is the angle of the bright spot farthest from the center
The drawing shows the front and rear sprockets of a bicycle. Assume the chain does not slip or stretch. How much time is required to double the speed of the rear sprocket
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