velocity of sound in the atmosphere of a planet is 500ms^-(1). The minimum distance between the sources of sound and the obstacle to hear the echo, should be
A
17m
B
20m
C
25 m
D
50 m
Text Solution
Verified by Experts
The correct Answer is:
C
Topper's Solved these Questions
ACOUSTICS
SURA PUBLICATION|Exercise TEXTBOOK EVATUATION (FILL IN THE BLANKS)|4 Videos
ACOUSTICS
SURA PUBLICATION|Exercise TEXTBOOK EVATUATION (TRUE OR FALSE) (IF FALSE GIVE THE REASON)|4 Videos
ELECTRICITY
SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS & ANSWRES (Value Based Question)|1 Videos
Similar Questions
Explore conceptually related problems
The minimum time interval between the two sound is __________ .
A source emitting sound of frequency 180 Hz is placed in front of a wall at a distance of 2 m from it. A detector is also placed in front of the wall at the same distance from it. Find the minimum distance between the source and the detector for which the detector detects a maximum of sound. Speed of sound in air =360ms^-1 .
The minimum distance required to hear an echo is ________
When sound is reflected from a distant object, an echo is produced. Let the distance between the reflecting surface and the source of sound remain the same. Do you hear an echo sound on a hotter day? Justify your answer.
Velocity of sound in a gaseous medium is 330ms^(-1) . If the pressure is increased by 4 times without causing a change in the temperature, the velocity of sound in the gas is ...............
A source of sound emitting a 1200 Hz note travels along a straight line at a speed of 170 m s^-1 . A detector is placed at a distance of 200 m from the line of motion of the source. (a) Find the frequency of sound received by the detector at the instant when the source gets closest to it. (b) Find the distance between the source and the detector at the instant it detects the frequency 1200 Hz. Velocity of sound in air = 340 m s^-1 .
SURA PUBLICATION-ACOUSTICS-ADDITIONAL QUESTIONS & ANSWERS (VALUE B ASED QUESTION)
