Mechanical Physics MCQ

Test your knowledge with important Mechanical Physics MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Mechanical Physics MCQs on Bissoy. Bissoy App

• Which law/principle states that when a body is immersed fully or partially in a fluid, it experiences an upward force that is equal to the weight of the fluid displaced by it?
  ক

  Boyle's Law

  খ

  Charles Law

  গ

  Archimedes Principle

  ঘ

  Pascal's Law
• Hydraulic brakes used in automatic vehicles is direct virtual application of which law?
  ক

  Pascal's Law

  খ

  Archimede's Principle

  গ

  Newton's Law

  ঘ

  Boyle's Law
• For perfectly elastic bodies, the value of coefficient of restitution is
  ক

  0

  খ

  0.5

  গ

  1

  ঘ

  0.25
• An ice cube is floating in a glass of water. What happens to the water level when the ice melts?
  ক

  Rises

  খ

  Falls

  গ

  Remains the same

  ঘ

  First rises and then falls
• Which of the following physicists explained the existence of Buoyant force?
  ক

  Archimedes

  খ

  Blaise Pascal

  গ

  Charles Augustine de Coulomb

  ঘ

  Issac Newton
• Which one of the following statement is not correct?
  ক

  In steady flow of a liquid, the velocity of liquid particles reaching at a particular point is the same at all points

  খ

  Steady flow is also called streamlined flow

  গ

  In steady flow, each particle may not follow the same path as taken by a previous particle passing through that point

  ঘ

  Two streamlines cannot intersect with each other
• Why do water droplets always take a round shape when dropped onto plane surfaces?
  ক

  Due to gravity

  খ

  Due to atmospheric pressure

  গ

  Due to the presence of Eddy current in the air

  ঘ

  Due to exertion of surface tension by the molecules