then
A proton is projected with a uniform velocity ′v′ along the axis of a current carrying solenoid, then
21
Nov
A proton is projected with a uniform velocity ′v′ along the axis of a current carrying solenoid, then A proton is projected with a uniform velocity ′v′ along the axis of a current carrying solenoid then November 21, 2021 Category: Chapter 4 - Magnetic Effect of Current and Moving Charges , MTG NEET Physics ,
If an electron and a proton having same momenta enter perpendicular to a magnetic field, then
21
Nov
If an electron and a proton having same momenta enter perpendicular to a magnetic field, then If an electron and a proton having same momenta enter perpendicular to a magnetic field then November 21, 2021 Category: Chapter 13 - Magnetic Effect of Current , JEE Mains Physics 2002-2019 Solved Video Solutions ,
Two identical photocathodes receive light of frequencies f1 and f2 . If the velocities of the photoelectrons (of mass m) coming out are v1 and v2 respectively , then
28
Sep
Two identical photocathodes receive light of frequencies f1 and f2 . If the velocities of the photoelectrons (of mass m) coming out are v1 and v2 respectively , then then Two identical photocathodes receive light of frequencies f1 and f2 . If the velocities of the photoelectrons (of mass m) coming out are v1 and [...]
A particle of mass m with an initial velocity ui^ collides perfectly elastically with a mass 3 m at rest. It moves with a velocity v j^ after collision, then, v is given by
16
Sep
A particle of mass m with an initial velocity ui^ collides perfectly elastically with a mass 3 m at rest. It moves with a velocity v j^ after collision, then, v is given by A particle of mass m with an initial velocity ui^ collides perfectly elastically with a mass 3 m at rest. It [...]
When a monochromatic point source of light is at a distance of 0.2 m from a photoelectric cell, the cut-off voltage and the saturation current are respectively 0.6 V and 18.0 mA. If the same source is placed 0.6 m away from the photoelectric cell, then
15
Sep
When a monochromatic point source of light is at a distance of 0.2 m from a photoelectric cell, the cut-off voltage and the saturation current are respectively 0.6 V and 18.0 mA. If the same source is placed 0.6 m away from the photoelectric cell, then the cut off voltage and the saturation current are [...]
A beam of electron is used in an YDSE experiment. The slit width is d. When the velocity of electron is increased, then
15
Sep
A beam of electron is used in an YDSE experiment. The slit width is d. When the velocity of electron is increased, then A beam of electron is used in an YDSE experiment. The slit width is d. When the velocity of electron is increased then September 15, 2021 Category: Chapter 18 - Atoms and [...]
The figure shows the variation of photocurrent with anode potential for a photosensitive surface for three different radiations. Let Ia, Ib and Ic be the intensities and fa,fb and fc be the frequencies for the curves a, b and c respectively, then
15
Sep
The figure shows the variation of photocurrent with anode potential for a photosensitive surface for three different radiations. Let Ia, Ib and Ic be the intensities and fa,fb and fc be the frequencies for the curves a, b and c respectively, then B and C respectively fb and fc be the frequencies for the curves [...]
A hydrogen atom and Li^2+ ion are both in the second excited state. If lH and lLi are their respective electronic moments, and EH and ELi their respective energies, then
15
Sep
A hydrogen atom and Li^2+ ion are both in the second excited state. If lH and lLi are their respective electronic moments, and EH and ELi their respective energies, then A hydrogen atom and Li^2+ ion are both in the second excited state. If lH and lLi are their respective electronic moments and EH and [...]
Starting with the same initial conditions, an ideal gas expands from volume V1 to V2 in three different ways, the work done by the gas is W1 if the process is purely isothermal, W2 if purely isobaric and W3 if purely adiabatic, then
12
Sep
Starting with the same initial conditions, an ideal gas expands from volume V1 to V2 in three different ways, the work done by the gas is W1 if the process is purely isothermal, W2 if purely isobaric and W3 if purely adiabatic, then an ideal gas expands from volume V1 to V2 in three different [...]
A gas is expanded from volume V0 to 2V0 under three different processes, as shown in the figure. Process 1 is isobaric process, process 2 is isothermal and process 3 is adiabatic. Let ΔU1,ΔU2 and ΔU3 be the change in internal energy of the gas in these three processes, then
12
Sep
A gas is expanded from volume V0 to 2V0 under three different processes, as shown in the figure. Process 1 is isobaric process, process 2 is isothermal and process 3 is adiabatic. Let ΔU1,ΔU2 and ΔU3 be the change in internal energy of the gas in these three processes, then A gas is expanded from [...]