The loudness of a sound that a person can withstand without discomfort is about
a. 150dB.
b. 215dB.
c. 30dB.
d. 80dB.
Loudness and intensity both depend upon the amplitude of sound. But loudness is the physiological response of our ears to a particular frequency. Our ears are more sensitive to some...
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1 Answers 1 views(b) amplitude
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1 Answers 1 views(b) varying velocity without having varying speed (d) nonzero acceleration without having varying speed. Explanation: Velocity and acceleration are vector quantities that can be changed by changing direction only (keeping magnitude constant).
1 Answers 1 views(a) Task 1 can not be assigned to either person 1 or 2 i.e. there are 4 options. Task 2 can be assigned to 3 or 4 So, there are only 2 options...
1 Answers 1 viewsP1 = 2.5 atm P2 = ? T1= 25o C =298 K T2 = 15350 C =1808 K According to Gay Laussac law, P1/ T1 = P2 / T2 P2 = 2.5 x 1080/ 298 =15.16 atm. Since...
1 Answers 2 views(d) Since the Indian financial system is bank dominated banks ability to withstand stress is critical to overall financial stability.
1 Answers 1 views