An 80-decibel sound is______times louder than a 60-decibel sound.
Correct answer: D. 100
- A. 20
- B. 2
- C. 10
- D. 100
Explanation
A 20-decibel increase represents a 100-fold increase in sound intensity because each 10-decibel increase multiplies intensity by 10. Thus, an 80-dB sound has 100 times the physical intensity of a 60-dB sound.
Last updated
Practise Cognitive Psychology
552 free Cognitive Psychology MCQs from Psychology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Psychology questions like this
Psychology is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
Related questions
A 3D movie enhances one's sense of depth perception by simulating the effects of:
A, an ill are all examples of:
A brain tumor in the hippocampus of the brain would impair a person's ability to learn new things while leaving their old memories intact. This condition is known as _________________?
A concept that help us to interpret ambiguous sensations is called a:
A Gestalt is best described as a/an ________________?