Two identical flutes produce fundamental notes of frequency `300Hz` at `27^@C`. If the temperature of air in one flute is increased to `31^@C`, the number of the beats heard per second will be

Two identical fluts produces fundamental nodes of frequency 300 Hz at 27^(@)C . If the temperature of air in one flute is increases to 31^(@)C the number of the beats per second will be

At a temperature of 27^(@) C , two identical organ pipes produce notes of frequency 140 Hz. If the temperature of one pipe is raised to 57.75^(@) , then the number of beats produced pre second is

Two identical wires have a fundamental frequency of 100Hz, when kept under the same tension . If the tension of one of the wires is increased by 21% , the number of beats produced is

Two identical wires have the same fundamental frequency of 400 Hz . when kept under the same tension. If the tension in one wire is increased by 2% the number of beats produced will be

Two identical wires have the same fundamental frequency of 400 Hz . when kept under the same tension. If the tension in one wire is increased by 2% the number of beats produced will be

Two identical wires have the same fundamental frequency of 400 Hz . when kept under the same tension. If the tension in one wire is increased by 2% the number of beats produced will be

Two identical stringed instruments have frequency 100 Hz . If tension in one of them is increased by 4% and they are sounded together then the number of beats in one second is