Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

An electron beam accelerated from rest through a potential difference of 5000 V in vacuum is allowed to impinge on a surface normally. The incident current is 50 mu A and if the electrons An electron beam accelerated from rest through a potential difference of 5000 V in vacuum is allowed to impinge on a [...]

Find the de Broglie’s wavelength of a hydrogen molecule 27 C at its most probable speed. Find the de Broglie's wavelength of a hydrogen molecule 27 C at its most probable speed. October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

An electron of mass m and charge e initially at rest gets accelerated by a constant electric field E. Find the rate of change of de-Broglie wavelength of this electron at time t. An electron of mass m and charge e initially at rest gets accelerated by a constant electric field E. Find the rate [...]

Calculate the ratio of the accelerating potential required to accelerate a proton and an alpha particle to have the same de-Broglie wavelength associated with them. Calculate the ratio of the accelerating potential required to accelerate a proton and an alpha particle to have the same de-Broglie wavelength associated with them. October 12, 2020 Category: Uncategorised [...]

An alpha particle and a proton are accelerated from rest through the same potential difference V. Find the ratio of de-Broglie wavelengths associated with them. An alpha particle and a proton are accelerated from rest through the same potential difference V. Find the ratio of de-Broglie wavelengths associated with them. October 12, 2020 Category: Uncategorised [...]

An electron, alpha particle and a proton have the same kinetic energy. Which of these particles has the shortest de-Broglie wavelength? alpha particle and a proton have the same kinetic energy. Which of these particles has the shortest de-Broglie wavelength? An electron October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]

An electron and a proton are accelerated through the same potential. Which one of the two has (1) greater value of de-Broglie wavelength associated with it and (2) less momentum? An electron and a proton are accelerated through the same potential. Which one of the two has (1) greater value of de-Broglie wavelength associated with [...]

A proton and a n alpha particle are accelerated through the same potential. Which one of the two has (1) greater value of de-Broglie wavelength associated with it, and (2) less kinetic A proton and a n alpha particle are accelerated through the same potential. Which one of the two has (1) greater value of [...]

All electrons ejected from a surface by incident light of wavelength 2000 A can be stopped before travelling 1 m in the direction of uniform electric field of 4 N/C. The work function of All electrons ejected from a surface by incident light of wavelength 2000 A can be stopped before travelling 1 m in [...]

A light of wavelength 1240 A falls on a metallic sphere of radius 1 m and work function W0 = 3 eV. Find the maximum number of electrons left from the sphere till the photoelectric effect stops. A light of wavelength 1240 A falls on a metallic sphere of radius 1 m and work function [...]