Frequency of the de-Broglie wave of electron in Bohr's first orbit of hydrogen atom is Hz (nearest integer).

[Given: J, J·s]

Question

Frequency of the de-Broglie wave of electron in Bohr's first orbit of hydrogen atom is   Hz (nearest integer).

[Given:  J,  J·s]

Canvas Classes · Accepted Answer

Step 1: Find KE of electron in Bohr's first orbit:

Step 2: Find velocity:

Step 3: de Broglie wavelength:

Step 4: Frequency of de Broglie wave:

Answer: 661

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