Question
What is the speed of sound in air at room temperature
(20°C)? ÂSolution
The speed of sound in air at room temperature (20°C) is approximately 343 m/s.  This speed depends on the temperature and medium.  As temperature increases, the speed of sound also increases.  This is because the molecules in the air move faster, allowing sound waves to propagate more quickly.
When exchange rate in terms of domestic currency rises:-
Which of the following four-firm concentration ratios is most consistent with perfect competition?
Commodity X and Y have an equal price elasticity of supply. The supply of X rises from 400 units to 500 units due to a 20 percent rise in its price. Cal...
P=400, MC= 200, Lerner index = ?
What was the growth rate of India's industrial sector in 2023-24?
Which of the following statements about a firm's average cost curves is false?
Park Test is used for which of the following?
If input prices adjusted very rapidly to output prices as classical economists argue the Phillips cure would be
The relationship between the unemployment rate and the gross national product is depicted by
