In a medium sound travels 2 km in 3 sec and in air, it travels 3 km in 10 sec. The ratio of the
wavelengths of sound in the two media is
(a) 1:8
(b) 1 : 18
(c) 8: 1
(d) 20:9
Answers
HLO MATE
SOUND
SOUND DISTANCE
SOUND DISTANCESPEED = -------------------
SOUND DISTANCESPEED = ------------------- TIME
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr = --------------
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr = -------------- 0.00083
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr = -------------- 0.00083=2409.63km/hr (medium 1)
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr = -------------- 0.00083=2409.63km/hr (medium 1)10sec = 0.002778
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr = -------------- 0.00083=2409.63km/hr (medium 1)10sec = 0.002778 3
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr = -------------- 0.00083=2409.63km/hr (medium 1)10sec = 0.002778 3= ------------------
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr = -------------- 0.00083=2409.63km/hr (medium 1)10sec = 0.002778 3= ------------------ 0.002778
SOUND DISTANCESPEED = ------------------- TIME3sec = 0.00083 hr = -------------- 0.00083=2409.63km/hr (medium 1)10sec = 0.002778 3= ------------------ 0.002778=1079.91km/hr (in air)
MARK AS BRAINLIEST
Answer:
The answer is 20/9
Explanation:
distance travel by light in both medium in one second is
2/3 in medium
10/3in air
ratio of wavelength of sound is
2/3/3/10
20/9