Arihant Physics by D.C Pandey
When a beta^(-) particle is emitted from a nucleus, the neutrons-proton ratio
04
Sep
When a beta^(-) particle is emitted from a nucleus, the neutrons-proton ratio the neutrons-proton ratio When a beta^(-) particle is emitted from a nucleus September 4, 2021 Category: Arihant Physics by D.C Pandey ,
The graph of ln(R/R0 ) versus ln A (R=radius of a nucleus and A = its mass number) is then
04
Sep
The graph of ln(R/R0 ) versus ln A (R=radius of a nucleus and A = its mass number) is then The graph of ln(R/R0 ) versus ln A (R=radius of a nucleus and A = its mass number) is then September 4, 2021 Category: Arihant Physics by D.C Pandey ,
A→λB→2λC T=0,N0,0, T N1 N2 N3 The ratio of N1 to N2 is maximum is
04
Sep
A→λB→2λC T=0,N0,0, T N1 N2 N3 The ratio of N1 to N2 is maximum is A→λB→2λC T=0 n^0 T N1 N2 N3 The ratio of N1 to N2 is maximum is September 4, 2021 Category: Arihant Physics by D.C Pandey ,
Two particles of masses m and 2m have equal kinetic energies. Their de Broglie wavelengths are in the ratio of :
04
Sep
Two particles of masses m and 2m have equal kinetic energies. Their de Broglie wavelengths are in the ratio of : Two particles of masses m and 2m have equal kinetic energies. Their de Broglie wavelengths are in the ratio of : September 4, 2021 Category: Arihant Physics by D.C Pandey ,
If a hydrogen atom at rest, emits a photon of wavelength λ, the recoil speed of the atom of mass m is given by
04
Sep
If a hydrogen atom at rest, emits a photon of wavelength λ, the recoil speed of the atom of mass m is given by emits a photon of wavelength λ If a hydrogen atom at rest the recoil speed of the atom of mass m is given by September 4, 2021 Category: Arihant Physics by [...]
If an orbital electron of the hydrogen atom jumps from the ground state to a higher energy state, its orbital value where its velocity is reduced to half its initial value. If the radius of the electron orbit in the ground state is r, then the radius of the new orbit would be:
04
Sep
If an orbital electron of the hydrogen atom jumps from the ground state to a higher energy state, its orbital value where its velocity is reduced to half its initial value. If the radius of the electron orbit in the ground state is r, then the radius of the new orbit would be: If an [...]
Light with an energy flux of 18 W/cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 20cm^2, the average force exerted on the surface during a half hour time span is
04
Sep
Light with an energy flux of 18 W/cm^2 falls on a non-reflecting surface at normal incidence. If the surface has an area of 20cm^2, the average force exerted on the surface during a half hour time span is Light with an energy flux of 18 W/cm^2 falls on a non-reflecting surface at normal incidence. If [...]
The de-Broglie wavelength of an electron moving with a velocity 1.5×10^8 m/s is equal to that of a photon. The ratio of the kinetic energy of the electron to the energy of the photon is
04
Sep
The de-Broglie wavelength of an electron moving with a velocity 1.5×10^8 m/s is equal to that of a photon. The ratio of the kinetic energy of the electron to the energy of the photon is The de-Broglie wavelength of an electron moving with a velocity 1.5×10^8 m/s is equal to that of a photon. The [...]
Electromagnetic waves travel in medium with speed of 2×10^8 m/s. The relative permeability of medium is 1. What is relative permittivity of medium?
04
Sep
Electromagnetic waves travel in medium with speed of 2×10^8 m/s. The relative permeability of medium is 1. What is relative permittivity of medium? Electromagnetic waves travel in medium with speed of 2×10^8 m/s. The relative permeability of medium is 1. What is relative permittivity of medium? September 4, 2021 Category: Arihant Physics by D.C Pandey [...]
A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and time, E = 6.3 j^V/m. What is B at this point?
04
Sep
A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and time, E = 6.3 j^V/m. What is B at this point? A plane electromagnetic wave of frequency 25 MHz travels in free space along the x-direction. At a particular point in space and [...]