9th Class Guess Paper on Physics (Annual Exam 2020)

9th Class Guess Paper on Physics (Annual Exam 2020). Solved Important Questions for Islamabad Model Schools & Colleges / Federal Board (FBISE) Islamabad. The students of Islamabad Capital Territory (ICT) studying in Islamabad Model Schools & Colleges (ICB, ICG, IMCB, IMCG) can utilize our guess papers with full trust & confidence. These guess papers (Important Questions) are guarantee to get good marks in your annual exams. These guess papers can also be utilized by the students of other boards & schools/colleges of Punjab Province who are studying the same syllabus & course. These papers are prepared as per latest scheme of studies prescribed by Federal Board of Intermediate & Secondary Education, Islamabad (FBISE) and Federal Directorate of Education (FDE), Islamabad having studied all the past papers and through the experience gained from these papers.

9th Class Guess Paper on Physics (Annual Exam 2020):

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Important Short Questions:

  • What is meant by Vernier Constant or Least Count?
  • What is the use of Zero Error?. Why it is necessary in a measuring instrument?
  • Define significant figures.
  • What is Andromeda?
  • Describe Lord Kelvin Statement.
  • Define Unit. Write units of System International.
  • Define prefixes?
  • What is Hubble space telescope?
  • Differentiate between Scalar and Vector quantities.
  • Differentiate between Distance and Displacement.
  • Differentiate between Speed and Velocity.
  • Differentiate between Linear and Random motion.
  • What is Gyration Length?
  • Define Kinematics.
  • What change will occur in equation of motions under gravity?
  • Define Inertia.
  • Define Centripetal force?
  • Differentiate between Mass and Weight.
  • Differentiate between Sliding and Rolling Friction.
  • Why it is dangerous to travel on the roof of a bus?
  • Why does a passenger move outward when a bus takes a turn?
  • If action and reaction are always equal and opposite, then how does a body moves?
  • A horse pushes the cart. If action and reaction are always equal and opposite, then how does a cart move?
  • Define the law of conversation of momentum. Why it is important?
  • When a gun is fired, it recoils. Why?
  • Write two situations in which force of friction is needed.
  • Describe ways to reduce friction.
  • Why the outer edge of the road is kept higher (Banking of Road)?
  • On what principal cream separator works? / How does cream separator works?
  • Define dynamics.
  • A bullet has a very small inertia due to its small mass? But why does it impact is so strong when it is fired from the gun?
  • What is Atwood Machine?
  • Why fragile objects are packed with suitable materials?
  • Define system and isolated system.
  • What is co-efficient of friction?
  • Why Ball bearings are used to reduce friction?
  • Describe the advantages of friction.
  • Define Torque.
  • Define Center of Gravity.
  • Differentiate between torque and couple.
  • Differentiate between stable and neutral equilibrium.
  • When a body is said to be in equilibrium?
  • Give an example of moving body which is in equilibrium?
  • Think of a body which is in rest but not in equilibrium.
  • Why the height of vehicles is kept as low as possible?
  • Women and children in the villages often carry pitchers on their heads. How this is possible?
  • What is trigonometry?
  • What is rigid body?
  • What is axis of rotation?
  • Define moment arm.
  • Define center of gravity.
  • How does a paratrooper come down?
  • Define terminal velocity
  • Why a vehicle is made heavy at its bottom?
  • What is force of gravitation.
  • Define gravitational field.
  • What is global positioning system (GPS)?
  • Why does value of “g” vary from place to place?
  • On what factors orbital speed of a satellite depends?
  • Why communication satellite are stationed at geostationary orbit?
  • Define work. What is its SI unit?
  • What is Pole Vaulter?
  • Explain mass energy equation. E=mc2
  • Define ideal system / machine.
  • When does a force do work. Explain?
  • Which form of energy is most preferred and why?
  • Define power.
  • Define Watt.
  • What is Hydrometer?
  • What is meant by deforming force?
  • Differentiate between stress and strain?
  • State Pascal’s law.
  • What is Hook’s law. What is meant by elastic limit.
  • Define Archimedes principal.
  • Define thermal conduct and thermal equilibrium.
  • Define energy in transit and internal energy.
  • Define heat capacity.
  • Define thermal expansion.
  • Why gaps are left in railway tracks?
  • Why gaps are left in bridges with rollers?
  • Why overhead transmission lines are also given a certain amount of sag?
  • What is the use of bimetallic strip in thermostats?
  • What is anomalous expansion of water?
  • Explain volumetric thermal expansion.
  • Define specific heat
  • Define latent heat of fusion.
  • Define latest heat of vaporization

Important Long Questions:

  • Define Translatory motion and explain its types.
  • Derive Newton’s First Equation of Motion.
  • Derive Newton’s Second Equation of Motion.
  • Derive Newton’s Third Equation of Motion.
  • Explain Newton’s first law of motion with examples.
  • Explain Newtons second law of motion with examples. Prove F = ma.
  • Explain Newtons third law of motion with examples.
  • Explain first condition of equilibrium
  • Explain second condition of equilibrium
  • Describe the types of equilibrium.
  • Perform an experiment to find out the center of body of an irregular body.
  • What are geo-stationary satellites. What are their uses?
  • Define and explain Law of gravitation. Also derive the mass of earth with the help of this law.
  • Define Kinetic Energy. Also derive the relation for K.E?
  • What do you know about Youn’g modulus of an object? How would you determine it?
  • Define and explain Archimedes principal.
  • Explain the working of Hydraulic Press.
  • What is upthrust? Explain. What is principal of flotation.
  • Describe importance of large specific heat capacity of water.
  • Derive the relation of Linear thermal expansion in solids.

Other Important Things:

  • Objectives
  • Numericals
  • Diagrams

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