Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Find the maximum wavelength of electromagnetic radiation, which can create a hole-electron pair in germanium. Given that forbidden energy gap in germanium is 0.72 eV.
12
Sep
Find the maximum wavelength of electromagnetic radiation, which can create a hole-electron pair in germanium. Given that forbidden energy gap in germanium is 0.72 eV. Find the maximum wavelength of electromagnetic radiation which can create a hole-electron pair in germanium. Given that forbidden energy gap in germanium is 0.72 eV. September 12, 2020 Category: Uncategorised [...]
Write the decay equations and expressions for the disintegration energy Q of the following decay: beta – decay, beta + decay, electron capture.
12
Sep
Write the decay equations and expressions for the disintegration energy Q of the following decay: beta – decay, beta + decay, electron capture. beta + decay electron capture. Write the decay equations and expressions for the disintegration energy Q of the following decay: beta - decay September 12, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
In Young’s double slit experiment how many maximas can be obtained on a screen (including the central maximum) on both sides of the central fringe if λ = 2000 Å and d = 7000 Å
12
Sep
In Young’s double slit experiment how many maximas can be obtained on a screen (including the central maximum) on both sides of the central fringe if λ = 2000 Å and d = 7000 Å In Young's double slit experiment how many maximas can be obtained on a screen (including the central maximum) on both [...]
(a) Find the energy needed to remove a neutron from the nucleus of the calcium isotope 42Ca20. (b) Find the energy needed to remove a proton from this nucleus. (c) Why are these energies different?
12
Sep
(a) Find the energy needed to remove a neutron from the nucleus of the calcium isotope 42Ca20. (b) Find the energy needed to remove a proton from this nucleus. (c) Why are these energies different? (a) Find the energy needed to remove a neutron from the nucleus of the calcium isotope 42Ca20. (b) Find the [...]
In a Young’s double slit experiment, the separation between the two slits is d and the wavelength of the light is λ. The intensity of light falling on slit 1 is four times the intensity of light falling on slit 2. Choose the correct choice (s).
12
Sep
In a Young’s double slit experiment, the separation between the two slits is d and the wavelength of the light is λ. The intensity of light falling on slit 1 is four times the intensity of light falling on slit 2. Choose the correct choice (s). fringes are obtained on a screen placed at some [...]
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fringes are obtained on a screen placed at some distance from the slits. If the screen is moved by 5 x 10^-2 m towards the slits ,
In a two -slit experiment with monochromatic light ,
In a Young's double slit experiment ,
the change in fringe width is 3 x 10^-5 m. If seperation between the slits is 10^-3 m ,
the wavelength of light used is ,
In a Young’s double slit experimental arrangement shown here, if a mica sheet of thickness t and refractive indec μ is placed in front of the slit S1, then the path difference (S1P−S2P) is
12
Sep
In a Young’s double slit experimental arrangement shown here, if a mica sheet of thickness t and refractive indec μ is placed in front of the slit S1, then the path difference (S1P−S2P) is if a mica sheet of thickness t and refractive indec μ is placed in front of the slit S1 In a [...]
Consider a body at rest in the L-frame, which explodes into two fragments of masses m1 and m2. Calculate energies of the fragments of the body.
12
Sep
Consider a body at rest in the L-frame, which explodes into two fragments of masses m1 and m2. Calculate energies of the fragments of the body. Consider a body at rest in the L-frame which explodes into two fragments fo masses m1 and m2. Calculate energies of the fragments of the body. September 12, 2020 [...]
In young’s experiment the monochromatic light is used to illuminate two slits A and B as shown in figure. Interference fringes are observed on a screen placed in front of the slits.
12
Sep
In young’s experiment the monochromatic light is used to illuminate two slits A and B as shown in figure. Interference fringes are observed on a screen placed in front of the slits. In young's experiment the monochromatic light is used to illuminate two slits A and B as shown in figure. Interference fringes are observed [...]
What is the minimum photon energy required to remove the least bound neutron of 40 Ca 20 and 40 Ar 18? The necessary atomic masses (in u) are given below:
12
Sep
What is the minimum photon energy required to remove the least bound neutron of 40 Ca 20 and 40 Ar 18? The necessary atomic masses (in u) are given below: What is the minimum photon energy required to remove the least bound neutron of 40 Ca 20 and 40 Ar 18? The necessary atomic masses [...]
A rock is 1.5 * 10^9 years old. The rock contains 238 U which disintegrates to form 206 Pb. Assume that there was no 206 Pb in the rock initially and it is the only stable product formed by the decay.
12
Sep
A rock is 1.5 * 10^9 years old. The rock contains 238 U which disintegrates to form 206 Pb. Assume that there was no 206 Pb in the rock initially and it is the only stable product formed by the decay. A rock is 1.5 * 10^9 years old. The rock contains 238 U which [...]