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

Radiation of wavelength 546 nm falls on a photo cathode and electrons with maximum kinetic energy of 0.18 eV are emitted. When radiation of wavelength 185 nm falls on the same surface, Radiation of wavelength 546 nm falls on a photo cathode and electrons with maximum kinetic energy of 0.18 eV are emitted. When radiation [...]

The radius of the second orbit of an electron in hydrogen atom is 2.116 A. The de Broglie wavelength associated with this electron in this orbit would be The radius of the second orbit of an electron in hydrogen atom is 2.116 A. The de Broglie wavelength associated with this electron in this orbit would [...]

A particle of mass 3m at rest decays into two particles of masses m and 2m having non-zero velocities. The ratio of the de Broglie wavelengths of the particles (lemda 1 / lemda 2) is A particle of mass 3m at rest decays into two particles of masses m and 2m having non-zero velocities. The [...]

A photon has same wavelength as the de Broglie wavelength of electrons. Given c = speed of light, v = speed of electron. Which of the following relation is correct? A photon has same wavelength as the de Broglie wavelength of electrons. Given c = speed of light v = speed of electron. Which of [...]

A sensor is exposed for time t to a lamp of power P placed at a distance l. The sensor has an opening that is 4d in diameter. Assuming all energy of the lamp is given off as light, the number A sensor is exposed for time t to a lamp of power P placed [...]

Up to what potential V can a zinc ball ( work function 3.74 eV ) removed from other bodies be charged by irradiating it with light of lemda = 200 nm? Up to what potential V can a zinc ball ( work function 3.74 eV ) removed from other bodies be charged by irradiating it [...]

The energy of a photon is equal to the kinetic energy of a proton. The energy of photon is E. Let lemda 1 be the de Broglie wavelength of the proton and lemda 2 be the wavelength of the photon. The energy of a photon is equal to the kinetic energy of a proton. The [...]

Two identical particles having the same mass m and charges +q and -q seperated by a distance d enter a uniform magnetic field B directed perpendoicular to paper inwards with speeds v1 and v2 as shown in fig. the particle will not collide if A conductor ABCDE carries current I. It is placed in the [...]

The torque experienced by a given current carrying loop in a uniform magnetic field B given by B 0 ( i – j ) would have magnitude The torque experienced by a given current carrying loop in a uniform magnetic field B given by B 0 ( i - j ) would have magnitude October [...]

Two electrons are moving with same speed v. One electron enters a region of uniform electric field while the other enters a region of uniform magnetic field, then after some time de Broglie then after some time de Broglie Two electrons are moving with same speed v. One electron enters a region of uniform electric [...]