The minimum distance between the source and the reflector, so that an echo is heard is approximately equal to
Explanation not available.
346 MCQ for effective preparation of the test of Basics of Physics section.
Read the MCQ statement: The minimum distance between the source and the reflector, so that an echo is heard is approximately equal to , keenly and apply the method you have learn through the video lessons for Basics to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 148-10615.