10th Class Karachi Board Exams Quizzes MCQs Quizzes Karachi Board 10th Class Physics Online Test 13

Question:
Once a submarine starts sinking; it will always sink to the bottom of the ocean if no other changes are made. This is because during the descent of the submarine

Option A):
Its density remains constant
Option B):
The hydrostatic pressure acting on it decreases
Option C):
The gravitational force acting on it increases
Option D):
The buoyant force acting on it decreases

Correct Answer is Option B):
The hydrostatic pressure acting on it decreases