The intensity of a 50-dB whistle is doubled. What is the new decibel level?
A) 50 dB
B) 47 dB
C) 53 dB
D) 100 dB
Correct Answer:
Verified
Q51: Light can travel to Earth from a
Q52: For the Doppler effect to occur, there
Q53: How many times greater is the speed
Q54: A Doppler red shift indicates
A) a shift
Q55: An increase of 40 dB increases the
Q57: A Doppler red shift indicates
A) a shift
Q58: If a sound level increases by 40
Q59: The intensity of a 80-dB whistle is
Q60: The Doppler effect is observed only when
A)
Q61: The audible range of sound is from
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents