Water Was Found to Rise to a Height of 7

question 1

Multiple Choice

Water was found to rise to a height of 7.4 mm in a tube of internal radius 2.0 mm at room temperature .Given its density as 1.0 g.cm^-3, What is the surface tension of water?

• A) 0.15 N.m - 1
• B) 0.036 N.m - 1
• C) 7.3 * 10 -8 N.m - 1
• D) 0.073 N.m - 1
• E) 1.5 * 10 -7 N.m - 1

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Definitions:

Industry Expansion

The growth in production, workforce, or market share within a specific sector of the economy.

Constant-cost Industry

An industry in which the costs of production or the prices of inputs do not change as the industry expands or contracts.

Entry or Exit

The process of a firm beginning operations in a market (entry) or leaving a market (exit), influenced by factors like profitability and barriers to entry.

Industry Expanding

A phase where the sector's businesses are growing in terms of production, workforce size, or market reach.