The boys are communicating with each other by stretching a string passing through a hole punched in the bottom of each of two tin cans. The physical principle employed is that sound travels
A.
mainly through air
B.
fainter in stretched string
C.
faster through gases than in solids and liquids
D.
with greater ease through a string than in air
E.
none of the above is correct
Correct Answer: Option D
Explanation
No official explanation is available for this question at this time. Please check contributions posted by others below. If you can provide an explanation to help other student learn, please click here
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}