Bohr model (standing waves): The number of de Broglie wavelengths (waves) that fit in the electron's orbit for the n th Bohr orbit equals what? Use Bohr–de Broglie quantization: circumference = nλ. Choose the correct expression.

Q: Bohr model (standing waves): The number of de Broglie wavelengths (waves) that fit in the electron's orbit for the n th Bohr orbit equals what? Use Bohr–de Broglie quantization: circumference = nλ. Choose the correct expression.

Given data Bohr's condition: angular momentum quantization implies standing waves. Concept/Approach For a stable orbit, the circumference satisfies 2πr = nλ which means exactly n wavelengths fit around the orbit. Final Answer n

Home » General Knowledge » Chemistry

Bohr model (standing waves): The number of de Broglie wavelengths (waves) that fit in the electron's orbit for the n<sup>th</sup> Bohr orbit equals what? Use Bohr–de Broglie quantization: circumference = nλ. Choose the correct expression.

Difficulty: Easy

n²
n
n − 2
n³

Correct Answer: n

Explanation:

Given data

Bohr's condition: angular momentum quantization implies standing waves.

Concept/Approach
For a stable orbit, the circumference satisfies 2πr = nλ which means exactly n wavelengths fit around the orbit.

Final Answer
n

Next Question→

More Questions from Chemistry

Metals (optical property): The luster (shiny appearance) of a metal is primarily due to what? Focus on fundamental electronic structure of metals. Choose the correct cause.
Flames (Bunsen/gas): The hottest part of a gas flame is known as which zone? Consider a properly adjusted Bunsen burner flame. Choose the correct zone.
Reactivity (halogens): The very high chemical reactivity of fluorine is mainly due to what factor? Consider periodic trends and bond energetics. Choose the best reason.
Carbon allotropy (materials science): Which is the hardest allotropic form of carbon known for extreme hardness and abrasion resistance? Identify the correct carbon allotrope noted for its tetrahedral network and highest Mohs hardness. Choose the correct option.
Human physiology (nutrition): What is the principal physiological role of common salt (sodium chloride) in the diet related to digestion? Consider the function of chloride ions in gastric juice formation and normal digestive processes. Choose the correct option.
Industrial chemistry (vanaspati): Which gas is used to manufacture vanaspati (hydrogenated vegetable oil) from vegetable oils? Identify the gaseous reactant used during catalytic hydrogenation of unsaturated oils. Choose the correct option.
History of chemistry (classification of elements): Newlands, Mendeleev, and Meyer are associated with which foundational development? Recognize the contribution of these scientists to organizing elements and predicting properties. Choose the correct option.
Natural products chemistry (essential oils): The key flavor constituent of cardamom oil is which compound? Identify the predominant component responsible for the characteristic aroma and flavor of cardamom. Choose the correct option.
Chemical bonding (valency): What is the maximum number of covalent bonds nitrogen can form? Consider valence-shell capacity for nitrogen (period 2) and typical compounds like ammonium. Choose the correct option.
Mole concept (Avogadro application): How many water molecules are present in a drop of water of volume 0.0018 mL at room temperature? Use density ≈ 1 g/mL and molar mass of water = 18 g/mol for the calculation. Choose the correct value.

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion