Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A single electron orbits around a stationary nucleus of charge +Ze, where Z is a constant and e is the magnitude of the electronic charge. It requires 47,2 eV to excite the electron from the second Bohr orbit to the third
11
Sep
A single electron orbits around a stationary nucleus of charge +Ze, where Z is a constant and e is the magnitude of the electronic charge. It requires 47,2 eV to excite the electron from the second Bohr orbit to the third 2 eV to excite the electron from the second Bohr orbit to the third [...]
In a thin spherical fish bowl of radius 10 cm filled with water of refractive index (4/3) , there is a small fish at a distance 4 cm from the centre C as shown in Figure. Where will the fish appear to be, if seen from (a) E
11
Sep
In a thin spherical fish bowl of radius 10 cm filled with water of refractive index (4/3) , there is a small fish at a distance 4 cm from the centre C as shown in Figure. Where will the fish appear to be, if seen from (a) E if seen from (a) E In a [...]
Estimate the average kinetic energy of hydrogen atoms ( or molecules) at room temperature and use the result to explain why nearly all H atoms are in the ground state at room temperature and hence emit no light.
11
Sep
Estimate the average kinetic energy of hydrogen atoms ( or molecules) at room temperature and use the result to explain why nearly all H atoms are in the ground state at room temperature and hence emit no light. Compare Z1 and Z2. September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
A slab of a material of refractive index 2 shown in the figure, has a curved surface APB of radius of curvature 10cm and a plane surface CD. On the left oa APB is air and on the right of CD is water with refractive indices as given in the figure. An object O is placed at a distance of 15cm from the pole P as shown. The distance of the final image of O from P, as viewed from the left is
11
Sep
A slab of a material of refractive index 2 shown in the figure, has a curved surface APB of radius of curvature 10cm and a plane surface CD. On the left oa APB is air and on the right of CD is water with refractive indices as given in the figure. An object O is [...]
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A ray of light travels from an optically denser to rarer medium. The critical angle for the two media is C. the maximum possible deviation of the way will be ,
A slab of a material of refractive index 2 shown in the figure ,
When light is incident on a medium at angle i and refracted into a second medium at an angle r ,
The K-absorption edge of an unknown element is 0.171 A. (a) Identify the element. (b) Find the average wavelengths of the K alpha, K beta, and K gama lines. (c) If a 100 eV electron strikes the target of this element
11
Sep
The K-absorption edge of an unknown element is 0.171 A. (a) Identify the element. (b) Find the average wavelengths of the K alpha, K beta, and K gama lines. (c) If a 100 eV electron strikes the target of this element and K gama lines. (c) If a 100 eV electron strikes the target of [...]
A parallel beam of light emerges from the opposite surface when a point source of light lies at the surface of the sphere. The refractive index of the sphere is
11
Sep
A parallel beam of light emerges from the opposite surface when a point source of light lies at the surface of the sphere. The refractive index of the sphere is A parallel beam of light emerges from the opposite surface when a point source of light lies at the surface of the sphere. The refractive [...]
An X-ray tube with a copper target is found to be emitting lines other than those due to copper. The K alpha line of copper is known to have wavelength 1.5405 A and the other two K alpha lines observed
11
Sep
An X-ray tube with a copper target is found to be emitting lines other than those due to copper. The K alpha line of copper is known to have wavelength 1.5405 A and the other two K alpha lines observed Compare Z1 and Z2. September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
Find the constants a and b in Moseley’s equation root v = a(Z – b) from the following data.
11
Sep
Find the constants a and b in Moseley’s equation root v = a(Z – b) from the following data. Find the constants a and b in Moseley's equation root v = a(Z - b) from the following data. September 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
An air bubble in sphere having 4 cm diameter appears 1 cm from surface nearest to eye when looked along diameter If .aμ8=1.5, the distance of bubble from refracting surface is
11
Sep
An air bubble in sphere having 4 cm diameter appears 1 cm from surface nearest to eye when looked along diameter If .aμ8=1.5, the distance of bubble from refracting surface is An air bubble in sphere having 4 cm diameter appears 1 cm from surface nearest to eye when looked along diameter If .aμ8=1.5 the [...]
A cobalt target (Z = 27) is bombarded with electrons and the wavelengths of its characteristic spectrum are measured. A second fainter, characteristic spectrum is also found because of an impurity in the target. The wavelength of the K alpha lines
11
Sep
A cobalt target (Z = 27) is bombarded with electrons and the wavelengths of its characteristic spectrum are measured. A second fainter, characteristic spectrum is also found because of an impurity in the target. The wavelength of the K alpha lines A cobalt target (Z = 27) is bombarded with electrons and the wavelengths of [...]