Waves are disturbances that carry energy from one place to another, and they exhibit various properties that can be measured and understood.
What are waves, and what are their key properties, including wavelength, frequency, and amplitude?
پاسخ ها: {{ repliesNum }}
پاسخ انتخاب شده
در پاسخ به: {{ reply.reply_to.name }}
در پاسخ به
این پیام حذف شده است.