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All electrons ejected from a surface by incident light of wavelength 200 nm can be stopped before travelling 1 m in the direction of a uniform electric field of 4 N/C. The work function All electrons ejected from a surface by incident light of wavelength 200 nm can be stopped before travelling 1 m in [...]

Find the ratio of de Broglie wavelength of a proton and an alpha particle which have been accelerated through same potential difference. Find the ratio of de Broglie wavelength of a proton and an alpha particle which have been accelerated through same potential difference. October 14, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

A conductor ABCDE, shaped as shown, carries current I. It is placed in the x-y plane with the end A and E on the x-axis. A uniform magnetic field of magnitude B exists in the region. The force acting on it will be A conductor ABCDE carries current I. It is placed in the x-y [...]

A particle of charge -q and ,mass m enters a uniform magnetic field B ( perpendicular to paper inward ) at P with a velocity v0 at an angle alpha and leaves the field at Q with velocity v at an angle beta as shown in figure. A particle of charge -q and mass m [...]

An alpha particle and a proton are fired through the same magnetic field which is perpendicular to their velocity vectors. The alpha particle and the proton move such that radius An alpha particle and a proton are fired through the same magnetic field which is perpendicular to their velocity vectors. The alpha particle and the [...]

What is the de Broglie wavelength of the wave associated with an electron that has been accelerated through a potential difference of 50.0 V? What is the de Broglie wavelength of the wave associated with an electron that has been accelerated through a potential difference of 50.0 V? October 14, 2020 Category: Uncategorised (JEE Advanced [...]

In the previous problem, if the cutrrent is I and the magnetic field at D has magnitude B, then if the cutrrent is I and the magnetic field at D has magnitude B In the previous problem then if the cutrrent is I and the magnetic field at D has magnitude B In the previous [...]

Light of wavelength lemda from a small 0.5 mW He-Ne laser source, used in the school laboratory, shines from a spacecraft of mass 1000 kg. Estimate the time needed for the spacecraft Light of wavelength lemda from a small 0.5 mW He-Ne laser source shines from a spacecraft of mass 1000 kg. Estimate the time [...]

A plane wave of intensity I = 0.70 W/cm^2 illuminates a sphere with ideal mirror surface. The radius of sphere is R = 5.0 cm. From the standpoint of photon theory, find the force that light A plane wave of intensity I = 0.70 W/cm^2 illuminates a sphere with ideal mirror surface. The radius of [...]

A charged particle of specific charge alpha moves with a velocity v = v0i in a magnetic field B = B0/root 2 ( j+k ). Then ( specific charge = charge per unit mass ) A charged particle of specific charge alpha moves with a velocity v = v0i in a magnetic field B = [...]