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Quantum Mechanics
- Assuming that an oscilloscope displays a Vmax of 5.22V and Vmin of 1.33V. Calculate the percentage of modulation. (5 points)
- Three (3) AM broadcast stations are spaced at 18 kHz, beginning at 73 kHz. Each station is allowed to transmit modulating up to 6 kHz. Compute for the upper and lower sidebands of each station and plot it in the frequency domain. (15 points)
- Given a Vmax of 7.45V and a modulation index of 0.691, calculate for Vmin. (5 points)
- A station is given a carrier frequency of 88 kHz. Having a modulating frequency of 12 kHz, compute for the upper and lower sidebands of the station. (5 points)
Quantum Mechanics
- Assuming that an oscilloscope displays a Vmax of 5.22V and Vmin of 1.33V. Calculate the percentage of modulation. (5 points)
- Three (3) AM broadcast stations are spaced at 18 kHz, beginning at 73 kHz. Each station is allowed to transmit modulating up to 6 kHz. Compute for the upper and lower sidebands of each station and plot it in the frequency domain. (15 points)
- Given a Vmax of 7.45V and a modulation index of 0.691, calculate for Vmin. (5 points)
- A station is given a carrier frequency of 88 kHz. Having a modulating frequency of 12 kHz, compute for the upper and lower sidebands of the station. (5 points)
Quantum Mechanics
What is the range of the shuttlecock launched with an initial speed of 6.3797 m/s at a 58.3699-degree angle with respect to the horizontal from a height of 1.8914 m in a planet where the downward gravitational acceleration has a magnitude of 11.8201 m/s2?
Quantum Mechanics
show that linear combination of eikx and e-ikx is a eigen function of operator d2/dx2
Quantum Mechanics
show that [A,[B,C]]+[B,[C,A]+[C,[A,B]]=0
Quantum Mechanics
show that linear combination of eikx and e-ikx is a eigen function of d2/dx2
Quantum Mechanics
. Estimate the velocity of neutrons needed for the study of neutron diffraction of crystal
structures if the interatomic spacing in the crystal is of the order of 2 Å. Also estimate the
kinetic energy of the neutrons corresponding to this velocity. Mass of neutron = 1.6749 x 10-
27 kg.
structures if the interatomic spacing in the crystal is of the order of 2 Å. Also estimate the
kinetic energy of the neutrons corresponding to this velocity. Mass of neutron = 1.6749 x 10-
27 kg.
Quantum Mechanics
if known psi(x)=(2-i)e3ix determine |psi(x)|2
Quantum Mechanics
Ground state energy of a particle in a one dimensional infinite potential box is 2 ev then energy of first excited state is how much
Quantum Mechanics
- The force required to draw back the string of an archers bow by a distance 'x' from it equilibrium position is given by f=kx2 if all the energy stored in the bow is communicated to the arrow, show that the maximum range of the arrow is given by R=2kx2/3mg
