Chemistry
The most probable radius (in pm) for finding the electrons in He^+ is
16
Nov
The most probable radius (in pm) for finding the electrons in He^+ is The most probable radius (in pm) for finding the electrons in He^+ is November 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 2 - Atomic Structure , Chemistry ,
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 ?
16
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 ?
16
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 16, 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:
16
Nov
The de-Broglie wavelength of helium atom at room temperature is: The de-Broglie wavelength of helium atom at room temperature is: November 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 2 - Atomic Structure , Chemistry ,
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 ?
16
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?
16
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 16, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 2 - Atomic Structure , Chemistry ,
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)
16
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 ).
16
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 [...]
Photo electrons are liberated by ultraviolet light of wavelength 3000Å from a metalic surface for which the photoelectric threshold wavelength is 4000Å. Calculate the de Broglie wavelength of electrons emitted with maximum kinetic energy is
16
Nov
Photo electrons are liberated by ultraviolet light of wavelength 3000Å from a metalic surface for which the photoelectric threshold wavelength is 4000Å. Calculate the de Broglie wavelength of electrons emitted with maximum kinetic energy is 1. What transition in the hydrogen spectrum would have the same wavelength as the Balmer transition n=4 to n=2 of [...]
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
16
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) [...]