The frequency of a sound wave is determined by the amplitude of the wave. As amplitude of the wave is high the frequency of the wave will also be high.
The hottest layer of the Earth is its innermost layer. The inner core Quite literally the center of the Earth, the inner core is solid and can get to estimate temperatures over 9,000 degrees Fahrenheit
There were 42 students in a hostel. Due to the admission of 13 new students, the expenses of the mess increase by Rs. 30 per day while the average expenditure per head diminished by Rs. 3. What was the original expenditure of the mess ?