Chapter 15 – Properties of Matter

A hydrogen-like atom has one electron revolving around a stationary nucleus. The energy required to excite the electron from the second orbit to the third orbit is 47.2 eV. The atomic number of the atom is Which of the following products in a hydrogen atom are independent of the principal number n? June 9, 2021 [...]

Let An be the area enclosed by the nth orbit in a hydrogen atom. The graph of ln(An/At) v/s In (n) Let An be the area enclosed by the nth orbit in a hydrogen atom. The graph of ln(An/At) v/s In (n) June 9, 2021 Category: Cengage NEET by C.P Singh , Chapter 15 - [...]

Suppose an electron is attracted toward the origin by a force k/r where k is a constant and r is the distance of the electron from the origin .By applying Bohr model to this system the radius of the nth orbital of the electron is found to be rn and the kinetic energy of the [...]

Which of the following statements about the Bohr model of the hydrogen atom is false Which of the following statements about the Bohr model of the hydrogen atom is false June 9, 2021 Category: Cengage NEET by C.P Singh , Chapter 15 - Properties of Matter ,

In Bohr model of the hydrogen atom, let R, v and E represent the radius of the orbit, speed of the electron and the total energy respectively. Which of the following quantities are directly proportional to the quantum number n? In Bohr model of the hydrogen atom let R speed of the electron and the [...]

Which of the following products in a hydrogen atom are independent of the principal number n? Which of the following products in a hydrogen atom are independent of the principal number n? June 9, 2021 Category: Cengage NEET by C.P Singh , Chapter 15 - Properties of Matter ,

An orbit electron in the ground state of hydrogen has an angular momentum L1, and an orbital electron in the first orbit in the ground state of lithium has an angular momentum L2. An orbit electron in the ground state of hydrogen has an angular momentum L1 and an orbital electron in the first orbit [...]

The ratio of the speed of the electrons in the ground state of hydrogen to the speed of light in vacuum is The ratio of the speed of the electrons in the ground state of hydrogen to the speed of light in vacuum is June 9, 2021 Category: Cengage NEET by C.P Singh , Chapter [...]

Which of the following curves may represent the speed of the electron in a hydrogen atom as a function of the principal quantum number n? Which of the following curves may represent the speed of the electron in a hydrogen atom as a function of the principal quantum number n? June 9, 2021 Category: Cengage [...]

As one considers orbits with higher values of n in a hydrogen atom, the kinetic energy of the atom As one considers orbits with higher values of n in a hydrogen atom the kinetic energy of the atom June 9, 2021 Category: Cengage NEET by C.P Singh , Chapter 15 - Properties of Matter ,