A certain photon after being scattered from a free electron at rest moves at an angle of 120° with respect to the incident direction. If the wavelength of the incident photon is 0.591 nm, what is the wavelength of the scattered photon?
A) 0.380 nm
B) 0 nm
C) 0.550 nm
D) 0.591 nm
E) 0.595 nm
E
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A batter hits a home run in which the ball travels 110 m horizontally with no appreciable air resistance. If the ball left the bat at 50° above the horizontal just above ground level, how fast was it hit?
What will be an ideal response?
In a double-slit experiment, the slit separation is 2.0 mm, and two wavelengths, 750 nm and 900 nm, illuminate the slits simultaneously. A screen is placed 2.0 m from the slits
At what distance from the central maximum on the screen will a bright fringe from one pattern first coincide with a bright fringe from the other? A) 1.5 mm B) 3.0 mm C) 4.5 mm D) 6.0 mm E) 9.0 mm
The __________ states that a particle cannot be precisely localized
Fill in the blank(s) with correct word
From the energy that is input into an engine on each cycle, 500 kJ of mechanical work are produced and 600 kJ of heat are exhausted into the environment. What is the efficiency of the engine?
A) 45.5% B) 28.6% C) 90.0% D) 75.0% E) 83.3%