Question Answers

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 [...]

A charged particle of specific chaerge s passes undeviated through region I as shown in figure. A charged particle of specific chaerge s passes undeviated through region I as shown in figure. October 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The resolving power of an electron microscope operated at 16 kV is R. The resolving power of the electron microscope when operated at 4 kV is The resolving power of an electron microscope operated at 16 kV is R. The resolving power of the electron microscope when operated at 4 kV is October 14, 2020 [...]

A particle of specific charge alpha is projected from origin at t = 0 with a vel.ocity v = v0 ( i + k ) in a magnetic field B = – B 0k . THen A particle of specific charge alpha is projected from origin at t = 0 with a vel.ocity v = [...]