Paper 1 October/November 2017 BIOLOGY (0625/11) IGCSE
Cambridge
IGCSE
Physics (0625)
بهمن
2017
شامل مباحث:
تعداد سوالات: 40
سطح دشواری:
متوسط
شروع:
آزاد
پایان:
آزاد
مدت پاسخگویی:
45 دقیقه
پیش نمایش صفحه اول فایل
The diagram shows two pieces of wood resting in shallow water of constant depth. Straight, parallel wavefronts approach the pieces of wood as indicated.
The gap between the pieces of wood is 2.0 cm wide.
The wavefronts are 3.0 cm apart.
What is the appearance of the wavefronts after they pass through the gap?