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which of the following equation represents a wave ?
25
Aug
which of the following equation represents a wave ? which of the following equation represents a wave ? August 25, 2020 Category: Chapter 16 - Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A wave of amplitude A = 0.2 m, velocity v = 360 m/s and wavelength 60 m is travelling along positive x-axis, then the correct expression for the wave is
25
Aug
A wave of amplitude A = 0.2 m, velocity v = 360 m/s and wavelength 60 m is travelling along positive x-axis, then the correct expression for the wave is A wave of amplitude A = 0.2 m then the correct expression for the wave is velocity v = 360 m/s and wavelength 60 m [...]
From a wave equation y = 0.5 sin (2π3.2)(64 t−x). the frequency of the wave is
25
Aug
From a wave equation y = 0.5 sin (2π3.2)(64 t−x). the frequency of the wave is From a wave equation y = 0.5 sin (2π3.2)(64t−x). the frequency of the wave is August 25, 2020 Category: Chapter 16 - Waves , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics [...]
A particular type of nucleus whose decay constant is lambda is produced at a steady rate of p nuclei per second. Show that the number of nuclei N present t second after the production starts is N=(P)/(lambda)[1-e^(~lambdat)].
25
Aug
A particular type of nucleus whose decay constant is lambda is produced at a steady rate of p nuclei per second. Show that the number of nuclei N present t second after the production starts is N=(P)/(lambda)[1-e^(~lambdat)]. A gas hydrogen like atoms can absorb radiations of 68eV. Consequently A is ahead of B in phase [...]
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A gas hydrogen like atoms can absorb radiations of 68eV. Consequently ,
A is ahead of B in phase by 66^@. If the observation be taken from point P ,
Among the two interfering monochromatic sources A and B ,
such that PB-PA=lambda//4. Then the phase difference between the waves from A and B reaching P is ,
The equation of a sound wave is given as y = 0.005 sin ( 62.4 x + 316 t ).The wavelength of this wave is
25
Aug
The equation of a sound wave is given as y = 0.005 sin ( 62.4 x + 316 t ).The wavelength of this wave is The equation of a sound wave is given as y = 0.005 sin ( 62.4 x + 316 t ).The wavelength of this wave is August 25, 2020 Category: Chapter [...]
A transverse wave is represented by the equation y = y0 sin λ/2π (vt − x). For what value of λ is the maximum particle velocity equal to two times the wave velocity?
25
Aug
A transverse wave is represented by the equation y = y0 sin λ/2π (vt − x). For what value of λ is the maximum particle velocity equal to two times the wave velocity? A transverse wave is represented by the equation y = y0 sin λ2π (vt−x). For what value of λ is the maximum [...]
Calculate the change in magnetic dipole moment when the electron in a H-atom makes a transition from the n=4 orbit to the n=3 orbit. Suppose that the atoms is in a magnetic field of induction. Calculate the change in energy when it makes the same transition and the corresponding change in frequency of the emitted photon due to the magnetic field.
25
Aug
Calculate the change in magnetic dipole moment when the electron in a H-atom makes a transition from the n=4 orbit to the n=3 orbit. Suppose that the atoms is in a magnetic field of induction. Calculate the change in energy when it makes the same transition and the corresponding change in frequency of the emitted [...]
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A gas hydrogen like atoms can absorb radiations of 68eV. Consequently ,
A is ahead of B in phase by 66^@. If the observation be taken from point P ,
Among the two interfering monochromatic sources A and B ,
such that PB-PA=lambda//4. Then the phase difference between the waves from A and B reaching P is ,
A monochromatic beam of light (lamda = 4900A) incident normally upon a surface produces a pressure of 5 x 10^(-7) N/m^(-2) on it. Assume that 25% of the light incident in reflected and the rest absorbed. Find the number of photons falling per second on a unit area of thin surface
25
Aug
A monochromatic beam of light (lamda = 4900A) incident normally upon a surface produces a pressure of 5 x 10^(-7) N/m^(-2) on it. Assume that 25% of the light incident in reflected and the rest absorbed. Find the number of photons falling per second on a unit area of thin surface A gas hydrogen like [...]
Tags:
A gas hydrogen like atoms can absorb radiations of 68eV. Consequently ,
A is ahead of B in phase by 66^@. If the observation be taken from point P ,
Among the two interfering monochromatic sources A and B ,
such that PB-PA=lambda//4. Then the phase difference between the waves from A and B reaching P is ,
Two trains move towards each other with the same speed. The speed of sound is 340 m/sec. If the height of the tone of the whistle of one of them heard on the other changes 9/8 times, then the speed of each train should be
25
Aug
Two trains move towards each other with the same speed. The speed of sound is 340 m/sec. If the height of the tone of the whistle of one of them heard on the other changes 9/8 times, then the speed of each train should be then the speed of each train should be Two trains [...]
An electron of mass m is involved in head-on collision with an atom of mass M , initially at rest . As a result of the collision a certain amount of energy E is stored internally in the atom . What is the minimum initial velocity that the electron must have ?
25
Aug
An electron of mass m is involved in head-on collision with an atom of mass M , initially at rest . As a result of the collision a certain amount of energy E is stored internally in the atom . What is the minimum initial velocity that the electron must have ? An electron of [...]