When $n = 4$, the principal energy level is:

এই অধ্যায়ের আরও প্রশ্ন

• C-03-Q144An electron absorbs energy when it:
• C-03-Q145An electron emits energy when it:
• C-03-Q146The energy absorbed or emitted by an electron is:
• C-03-Q147In , represents:
• C-03-Q148The atomic spectrum is created when light passes through a:
• C-03-Q149Bohr's model successfully explains the atomic spectrum of:
• C-03-Q150A limitation of Bohr's model is that it cannot explain the spectrum of atoms with:
• C-03-Q151According to high-resolution apparatus, each line in the spectrum:
• C-03-Q152Bohr assumed orbits to be circular, but later they were proved to be:
• C-03-Q153The velocity of light used in Bohr's model is: