Physics
What is the energy of photon whose wavelength is 6840 Å ?
28
Nov
What is the energy of photon whose wavelength is 6840 Å ? What is the energy of photon whose wavelength is 6840 Å ? November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 29 - Dual Nature of Matter and Radiation , Physics ,
If alpha, beta and gamma rays carry same momentum, which has the longest wavelength?
28
Nov
If alpha, beta and gamma rays carry same momentum, which has the longest wavelength? beta and gamma rays carry same momentum If alpha which has the longest wavelength? November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 29 - Dual Nature of Matter and Radiation [...]
We wish to see inside an atom. Assuming the atom to have a diameter of 100 pm, this means that one must be able to resolve a width of say 10 pm. If an electron microscope is used, the minimum electron energy required is about
28
Nov
We wish to see inside an atom. Assuming the atom to have a diameter of 100 pm, this means that one must be able to resolve a width of say 10 pm. If an electron microscope is used, the minimum electron energy required is about the minimum electron energy required is about this means that [...]
A photon of energy 4 eV is incident on a metal surface whose work function is 2 eV. The minimum reverse potential to be applied for stopping the emission of electrons is
28
Nov
A photon of energy 4 eV is incident on a metal surface whose work function is 2 eV. The minimum reverse potential to be applied for stopping the emission of electrons is A photon of energy 4 eV is incident on a metal surface whose work function is 2 eV. The minimum reverse potential to [...]
The speed of an electron having a wavelength of 10^-10 m is
28
Nov
The speed of an electron having a wavelength of 10^-10 m is The speed of an electron having a wavelength of 10^-10 m is November 28, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 29 - Dual Nature of Matter and Radiation , Physics ,
The work function of a metal is 3.4 eV. If the frequency of incident radiation is increased to twice, then the work function of the metal becomes
27
Nov
The work function of a metal is 3.4 eV. If the frequency of incident radiation is increased to twice, then the work function of the metal becomes The work function of a metal is 3.4 eV. If the frequency of incident radiation is increased to twice then the work function of the metal becomes November [...]
Mass of the proton is 1840 times that of electron. It is accelerated through a potential difference of 1 V. Find its kinetic energy.
27
Nov
Mass of the proton is 1840 times that of electron. It is accelerated through a potential difference of 1 V. Find its kinetic energy. Mass of the proton is 1840 times that of electron. It is accelerated through a potential difference of 1 V. Find its kinetic energy. November 27, 2020 Category: AIIMS Last 24 [...]
In a Neon discharge tube 2.9 × 10^18 Ne+ ions move to the right each second, while 1.2 × 10^18 electrons move to the left per second, electron charge is 1.6 × 10^-19 C. The current in the discharge tube is
27
Nov
In a Neon discharge tube 2.9 × 10^18 Ne+ ions move to the right each second, while 1.2 × 10^18 electrons move to the left per second, electron charge is 1.6 × 10^-19 C. The current in the discharge tube is electron charge is 1.6 × 10^-19 C. The current in the discharge tube is [...]
The kinetic energy of an electron, which is accelerated in the potential difference of 100 volts, is
27
Nov
The kinetic energy of an electron, which is accelerated in the potential difference of 100 volts, is is The kinetic energy of an electron which is accelerated in the potential difference of 100 volts November 27, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 29 - [...]
Threshold frequency for a metal is 10^15 Hz. If the light of wavelength 4000 Å falls on its surface, then which of the following statement is correct?
27
Nov
Threshold frequency for a metal is 10^15 Hz. If the light of wavelength 4000 Å falls on its surface, then which of the following statement is correct? then which of the following statement is correct? Threshold frequency for a metal is 10^15 Hz. If the light of wavelength 4000 Å falls on its surface November [...]