[{"id":40483,"question":"If the intensity of faintest audible sound is Io and of another sound is I then sound level will be:","choices":[{"text":"K log Io/I","value":"A"},{"text":"Log Io/I 2K","value":"B"},{"text":"K log Io/I2","value":"C"},{"text":"K log I/Io","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":40482,"question":"The difference between the loudness of faintest audible sound and loudness of another sound is called:","choices":[{"text":"Pitch of sound","value":"A"},{"text":"Quality of sound","value":"B"},{"text":"Sound level","value":"C"},{"text":"Intensity of sound","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40481,"question":"The S.I unit of intensity of sound is:","choices":[{"text":"Wm","value":"A"},{"text":"Wm2","value":"B"},{"text":"Wm-2","value":"C"},{"text":"Wm-1","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40480,"question":"High pitch means:","choices":[{"text":"High wavelength","value":"A"},{"text":"High frequency","value":"B"},{"text":"High time period","value":"C"},{"text":"High energy","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40479,"question":"Pitch of sound depends upon:","choices":[{"text":"Frequency","value":"A"},{"text":"Amplitude","value":"B"},{"text":"Intensity","value":"C"},{"text":"Time period","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":40478,"question":"The character by which lound and faint sound can be distinguished is called:","choices":[{"text":"Pitch","value":"A"},{"text":"Quality","value":"B"},{"text":"Loudness","value":"C"},{"text":"Intensity","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":40477,"question":"The distance between two consecutive compressions or rarefactions in longitudinal waves is called:","choices":[{"text":"Amplitude","value":"A"},{"text":"Wavelength","value":"B"},{"text":"Half wavelength","value":"C"},{"text":"1/4 wavelength","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":40476,"question":"Sound waves are an example of:","choices":[{"text":"Transverse waves","value":"A"},{"text":"Electromagnetic waves","value":"B"},{"text":"Longitudinal waves","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":3}]