Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A parallel paraxial beam of light is incident on the arrangement as shown (μA=3/2,μB=4/3). The two spherical surfaces are very close and each has a radius of curvature 10 cm. Find the point where the rays are focused. (w.r.t. point of entry)
11
Sep
A parallel paraxial beam of light is incident on the arrangement as shown (μA=3/2,μB=4/3). The two spherical surfaces are very close and each has a radius of curvature 10 cm. Find the point where the rays are focused. (w.r.t. point of entry) A parallel paraxial beam of light is incident on the arrangement as shown [...]
The voltage applied to an X-ray tube being increased n = 1.5 times, the short wave limit of an X-ray continuous spectrum shifts by delta lemda = 26 pm. Find the initial voltage applied to the tube.
11
Sep
The voltage applied to an X-ray tube being increased n = 1.5 times, the short wave limit of an X-ray continuous spectrum shifts by delta lemda = 26 pm. Find the initial voltage applied to the tube. the short wave limit of an X-ray continuous spectrum shifts by delta lemda = 26 pm. Find the [...]
An X-ray tube operates at 20 kV. Find the maximum speed of the electrons striking the anode, given the charge of electron is 1.6 * 10^-19 coulomb and mass of electron is 9 * 10^-31 kg.
11
Sep
An X-ray tube operates at 20 kV. Find the maximum speed of the electrons striking the anode, given the charge of electron is 1.6 * 10^-19 coulomb and mass of electron is 9 * 10^-31 kg. An X-ray tube operates at 20 kV. Find the maximum speed of the electrons striking the anode given the [...]
An X-ray tube operates at 20 kV. A particular electron loses 5% of its kinetic energy to emit an x-ray photon at the first collision. Find the wavelength corresponding to this photon.
11
Sep
An X-ray tube operates at 20 kV. A particular electron loses 5% of its kinetic energy to emit an x-ray photon at the first collision. Find the wavelength corresponding to this photon. An X-ray tube operates at 20 kV. A particular electron loses 5% of its kinetic energy to emit an x-ray photon at the [...]
Electrons in a hydrogen-like atom (Z = 3a) make transitions from the fourth excited state to the third excited state and from the third excited state to the second excited state. The resulting radiations are incident on a metal plate
11
Sep
Electrons in a hydrogen-like atom (Z = 3a) make transitions from the fourth excited state to the third excited state and from the third excited state to the second excited state. The resulting radiations are incident on a metal plate A moving hydrogen atom makes a head-on collision with a stationary hydrogen atom. Before collision [...]
A rod of glass (μ=1.5) and of square cross section is bent into the shape shown in the figure. A parallel beam of light falls on the plane flat surface A as shown in the figure. If d is the width of a side and R is the radius of circular arc then for what maximum value of dR light entering the glass slab through surface A emerges from the glass through B
11
Sep
A rod of glass (μ=1.5) and of square cross section is bent into the shape shown in the figure. A parallel beam of light falls on the plane flat surface A as shown in the figure. If d is the width of a side and R is the radius of circular arc then for what [...]
A ray of light travels from a medium of refractive index μ to air. Its angle of incidence in the medium is i, meansured from the normal to the boundary , and its angle of deviation is δ.δ is plotted against i. Which of the following best represents the resulting curve ?
11
Sep
A ray of light travels from a medium of refractive index μ to air. Its angle of incidence in the medium is i, meansured from the normal to the boundary , and its angle of deviation is δ.δ is plotted against i. Which of the following best represents the resulting curve ? A ray of [...]
The radiation emitted when an electron jumps from n = 3 to n = 2 orbit in a hydrogen atom falls on a metal to produce photoelectrons. The electrons from the metal surface with maximum kinetic energy are made to move
11
Sep
The radiation emitted when an electron jumps from n = 3 to n = 2 orbit in a hydrogen atom falls on a metal to produce photoelectrons. The electrons from the metal surface with maximum kinetic energy are made to move A moving hydrogen atom makes a head-on collision with a stationary hydrogen atom. Before [...]
An optical fibre consists of core of mu1 surrounded by a cladding of mu2< mu1. A beam of light enters from air at an angle alpha with axis of fibre. The highest alpha for which ray can be travelled through fibre is
11
Sep
An optical fibre consists of core of mu1 surrounded by a cladding of mu2< mu1. A beam of light enters from air at an angle alpha with axis of fibre. The highest alpha for which ray can be travelled through fibre is A ray of light travels from an optically denser to rarer medium. The [...]
A hydrogen-like atom (atomic number Z) is in a higher excited state of quantum number n. This excited atom can make a transition to the first excited state by successively emitting two photons of energies
11
Sep
A hydrogen-like atom (atomic number Z) is in a higher excited state of quantum number n. This excited atom can make a transition to the first excited state by successively emitting two photons of energies A moving hydrogen atom makes a head-on collision with a stationary hydrogen atom. Before collision both atoms are in ground [...]