Given below are two statements:
Statement $I$: Rutherford's gold foil experiment cannot explain the line spectrum of hydrogen atom.
Statement $II$: Bohr's model of hydrogen atom contradicts Heisenberg's uncertainty principle.
In the light of the above statements,choose the most appropriate answer from the options given below:

  • A
    Statement $I$ is false but statement $II$ is true.
  • B
    Both statement $I$ and statement $II$ are false.
  • C
    Statement $I$ is true but statement $II$ is false.
  • D
    Both statement $I$ and statement $II$ are true.

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Similar Questions

Match the following laws with their correct statements:
Laws Statements
$(1)$ Hund's Rule $(A)$ No two electrons in an atom can have the same set of all four quantum numbers.
$(2)$ Aufbau Principle $(B)$ Half-filled and fully-filled orbitals have greater stability.
$(3)$ Pauli Exclusion Principle $(C)$ Electrons prefer to remain unpaired in degenerate orbitals first.
$(4)$ Heisenberg's Uncertainty Principle $(D)$ It is impossible to determine simultaneously the exact position and exact momentum of an electron.
$(E)$ In the ground state of atoms,orbitals are filled in the order of increasing energy.

Among the following,the correct statement$(s)$ for electrons in an atom is(are):
$A$. Uncertainty principle rules out the existence of definite paths for electrons.
$B$. The energy of an electron in $2s$ orbital of an atom is lower than the energy of an electron that is infinitely far away from the nucleus.
$C$. According to Bohr's model,the most negative energy value for an electron is given by $n=1$,which corresponds to the most stable orbit.
$D$. According to Bohr's model,the magnitude of velocity of electrons increases with increase in values of $n$.

If the wavelength for an electron emitted from $H$ atom is $3.3 \times 10^{-10} \ m$,then energy absorbed by the electron in its ground state compared to minimum energy required for its escape from the atom,is $.......$ times. (Nearest integer).
[Given $: h = 6.626 \times 10^{-34} \ Js$,Mass of electron $= 9.1 \times 10^{-31} \ kg$ ]

Match the items in List-$I$ with the items in List-$II$.
List-$I$ List-$II$
$A$. Nodes $I$. Three dimensional shape of the orbital
$B$. Subsidiary quantum number $II$. Significant only for motion of microscopic objects
$C$. White light $III$. $|\psi|^2$ is zero
$D$. Heisenberg uncertainty principle $IV$. Spin state of electron
$V$. Continuous spectrum

The statement that is $NOT$ correct is:

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