Question

Four students are holding toy telephones in which two strings are taut and touch each other. One student is speaking. Can the remaining three students hear? Please write how many more students can be engaged in this way.

Answer 1

Answer:

Yes all students can hear

Explanation:

When one student speaks, all can hear. This is because, the strings act as an medium for sound to propagate. Since both the strings are taut and touch each other, all the students can hear him/her speaking, as sound travels in all directions.