Physics
The uncertainties in the velocities of two particles A and B are 0.05 and 0.02 m.sec^−1 respectively. The mass of B is five times to that of mass A. What is the ratio of uncertainties [ Δx B/Δx A ] in their positions ?
09
Nov
The uncertainties in the velocities of two particles A and B are 0.05 and 0.02 m.sec^−1 respectively. The mass of B is five times to that of mass A. What is the ratio of uncertainties [ Δx B/Δx A ] in their positions ? The de-Broglie wavelength of helium atom at room temperature is: November [...]
n and l values for orbitals are given. Which of the following is expected to have least energy ?
09
Nov
n and l values for orbitals are given. Which of the following is expected to have least energy ? n and l values for orbitals are given. Which of the following is expected to have least energy ? November 9, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions [...]
The de-Broglie wavelength of helium atom at room temperature is:
09
Nov
The de-Broglie wavelength of helium atom at room temperature is: The de-Broglie wavelength of helium atom at room temperature is: November 9, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 30 - Atoms , Physics ,
If the photon of the wavelength 150 pm strikes an atom and one of its inner bound electrons is ejected out with a velocity of 1.5×10^7 ms^−1 , what is the energy with which it is bound to the nucleus ?
09
Nov
If the photon of the wavelength 150 pm strikes an atom and one of its inner bound electrons is ejected out with a velocity of 1.5×10^7 ms^−1 , what is the energy with which it is bound to the nucleus ? If the photon of the wavelength 150 pm strikes an atom and one of [...]
Which of the following statements in relation to the hydrogen atom is correct?
09
Nov
Which of the following statements in relation to the hydrogen atom is correct? Which of the following statements in relation to the hydrogen atom is correct? November 9, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 30 - Atoms , Physics ,
The wavelength of a spectral line emmited by hydrogen atom in the lyman series is 16/5R cm. what is the value of n2 ? (R = Rydberg constant)
09
Nov
The wavelength of a spectral line emmited by hydrogen atom in the lyman series is 16/5R cm. what is the value of n2 ? (R = Rydberg constant) The wavelength of a spectral line emmited by hydrogen atom in the lyman series is 16/5R cm. what is the value of n2 ? (R = Rydberg [...]
Calculate the wavelength of light required to break the bond between two chlorine atoms in a chlorine molecule. The Cl-Cl bond energy is 243kJmol ^−1 .(h=6.6×10^−34 Js;c=3×10^8 ms^−1, Avogadro’s number =6.023×10^23 mole^−1 ).
09
Nov
Calculate the wavelength of light required to break the bond between two chlorine atoms in a chlorine molecule. The Cl-Cl bond energy is 243kJmol ^−1 .(h=6.6×10^−34 Js;c=3×10^8 ms^−1, Avogadro’s number =6.023×10^23 mole^−1 ). Avogadro's number =6.023×10^23 mole^−1 ). Calculate the wavelength of light required to break the bond between two chlorine atoms in a chlorine [...]
If the de Broglie wavelength of a particle of mass m is 100 times its velocity, then its value in terms of its mass (m) and Planck’s constant (h) is
09
Nov
If the de Broglie wavelength of a particle of mass m is 100 times its velocity, then its value in terms of its mass (m) and Planck’s constant (h) is If the de Broglie wavelength of a particle of mass m is 100 times its velocity then its value in terms of its mass (m) [...]
The degeneracy of hydrogen atom that has the energy equal to −RH/9 (RH = Rydberg constant ).
09
Nov
The degeneracy of hydrogen atom that has the energy equal to −RH/9 (RH = Rydberg constant ). The degeneracy of hydrogen atom that has the energy equal to −RH/9 (RH = Rydberg constant ). November 9, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 30 - [...]
The ratio of energy of the electron in ground state of hydrogen to the electron in first excited state of Be^3+ is
09
Nov
The ratio of energy of the electron in ground state of hydrogen to the electron in first excited state of Be^3+ is The ratio of energy of the electron in ground state of hydrogen to the electron in first excited state of Be^3+ is November 9, 2020 Category: AIIMS Last 24 Years Solved 1996 - [...]