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Reflection of Sound

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Question

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A girl is sitting in a park 12 m wide and 12 m long.ON the left hand side of the park is a building adjoining the park.On the right hand side of the park is a road adjoining the park.A person lights a cracker on the road.Will the echo be heard by the girl?Why/Why not??

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Solution

No. because there is no object to reflect the sound ( like building mountain etc) .

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Similar questions

Q. Question 12
A girl is sitting in the middle of a park of dimension

12 m \times 12 m

. On the left side of it there is a building adjoining the park and on right side of the park, there is a road adjoining the park. A sound is produced on the road by a cracker. Is it possible for the girl to hear the echo of this sound? Explain your answer.

Q. A man is sitting in Gandhi Park of dimension 6m

\times

6m. On the left side of it, there is a building adjoining the park, and on the right side of the park, there is a road adjoining by park. A sound is produced on the road by a diwali bomb :

Q. Two roads each 3 m wide, run at right angles through the middle of a rectangular park,
such that each is parallel to one of the sides of a park. If the park is 70 m by 45 m, find the area of the
portion of the park minus the path.

Q. Question 14
A circular park is surrounded by a road 21 m wide. If the radius of the park is 105 m, then find the area of the road.

Q. A circular park is surrounded by a road

21 m

wide. If the radius of the park is

105 m

, find the area of the road.

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