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When a metal is illuminated with radiation with a wavelength of 152 nm, photoelectrons are ejected with a velocity of 7.9 x 105 m/s.
What is the work function, in eV, of the metal?
What are the characteristics of dead stars? Dead stars are generally cold balls of material in empty space. A teaspoonful of white dwarf matter would weigh as more as an Ele
Derive the expression for the distance between the atomic planes such as (100) and (110) planes of the cubic crystals The position and momentum of a 1 keV electron are simultane
Truck has a 100 kW engine power and 40 % efficiency . As oil burn in an hour if q = 4.4 to force multiplication 10 to 7 ?
Explain the concept of coherence.Discuss temporal coherence and spatial coherence.
A 2.00 x 10 3 -g sample of water at 100.0°C is mixed with a 4.00 x 10 3 -g sample of water at 0.0°C in a calorimeter. What is the equilibrium temperature of the mixture?
Bell's inequality (J.S. Bell; 1964) A quantum mechanical theorem shows that if quantum mechanics were to rely on hidden variables, it ought to have nonlocal properties.
A 0.17-kg hockey puck leaves the stick on a slap shot travelling 21 m/s. If no other forces act on the puck, friction eventually will bring it to rest 62 m away. a. Based on th
EXPLANATION: Displacement is a physical quantity which defines the motion of a body from its starting position to its final position. It is a vector quantity and can be shown b
A cheetah can reach a top speed of 27.8 m/s in 5.2 s. What is the cheetah's average acceleration?
Can you explain in single slit diffraction intensity of 1 st secondary maximum is less than that of principal maximum by how many times?
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