The vibration of an air column produces the sound in the<...
The vibration of an air column produces the sound in the
piano
guiter
flute
school handbell
Correct answer is C
No explanation has been provided for this answer.
200g of water at 90°C is mixed with 100g of water at 30°C. What is the final temperature?...
The maximum permissible current through a galvanometer G of internal resistance 10Ω is 0.05...
Which of the following phenomena explains the formation of a mirage? i. Reflection ii. Refractio...