The Speed of Sound in Helium Is 965 M/s

question 75

Multiple Choice

The speed of sound in helium is 965 m/s. If the density of helium is 0.179 kg/m³, then what is the bulk modulus of helium?

• A) 2.70 × 10⁵ N/m²
• B) 2.40 × 10⁵ N/m²
• C) 2.20 × 10⁵ N/m²
• D) 1.67 × 10⁵ N/m²
• E) 1.56 × 10⁵ N/m²

---

Definitions:

Ethical

Pertaining to or dealing with morals; relating to right and wrong in conduct.

Centralized

A system or structure where decision-making authority is concentrated at a single point or within a limited group, often at the top level of an organization or government.

Decentralized

The distribution of decision-making powers and operational responsibilities across different levels or locations in an organization, as opposed to centralization.

Formal Dress Codes

A set of strict dressing guidelines followed in professional or specific social settings, emphasizing attire such as suits, ties, or formal dresses.