ICS Part 1 Physics English Medium Chapter 1 Online Short Questions Test with Answers

Online Short Questions For Chapter 1 "ICS Part 1 Physics Chapter 1 Short Questions Test "

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Physics - ICS Part 1 Physics Chapter 1 Short Questions Test

Question # 1

What is physical significance of dimension of physical quantity?

  • Ans 1: Each base quantity is considered a dimension. It stands for the qualitative nature of the physical quantity. Dimensions give information about the nature of a physical quantity, its units of measure and correctness of physical equation.
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Prepare Complete Set Wise Questions For Chapter 1 "ICS Part 1 Physics Chapter 1 Short Questions Test "

ICS Part 1 Physics Chapter 1 Short Questions Test - Set 1

Question # 1

What is physical significance of dimension of physical quantity?

  • Ans 1: Each base quantity is considered a dimension. It stands for the qualitative nature of the physical quantity. Dimensions give information about the nature of a physical quantity, its units of measure and correctness of physical equation.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

Question # 1

Define prefixes and write two examples.

  • Ans 1: Prefixes: Prefixes are the words or letters added before a unit and stand for the multiples or sub-multiples of that unit
  • Ans 2: Examples: Kilo (k) mega (m), micro (m), milli (m) etc.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

Question # 1

Define derived units and write two example.

  • Ans 1: Derived units: The units used to measure derived quantities are called derived units.
  • Ans 2: Examples: Unit of velocity is meter per second
    Unit of accelertationnn is meter per second per second ms
    Unit of Force is Newton (N)
    Unit of charge Coulomb (C)
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 4

Question # 1

Give four parasitic adaptation of flat worms.

  • Ans 1:
    1. The epidermis is absent and there is formation of resistant cuticle for protection.
    2. They have developed adhesive organs,such as sucker and hooks for attachment to the host.
    3. There is degeneration of muscular and nervous system.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

Question # 1

What are supplementary units? Write their names.

  • Ans 1: The General Conference on Weights and Measure has not yet classified certain unit of SI under either base or derived units. Theses SI units are called supplementary units.
    Radian and Steradian are supplementary units.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

Define anhydrobiosis with an example

  • Ans 1: The ability to tolerate dehydration this process is called anhydrobiosis for example kangaroo rat a desert animal can tolerate dehydration without drinking water by feeding desert plants containing more carbohydrates which produce water of metabolism
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

What events occur in anaphase-I in meiosis?

  • Ans 1: During the anaphase of meiosis -1.The spindle fibers contract and each member of homologous chromosomes moves toward each pole.In this way half chromosomes reaches to one pole and other half reaches to another pole.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

How many seconds are there in one year?

  • Ans 1: Now 1 year = 1x 365 days
    1 year = 365x 1 days
    1 year = 365x 24 hours
    1 year = 8760 x 1 seconds
    1 year = 3.1536x 107s
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 9

Question # 1

What is physics ? Discuss the importance of physics ?

  • Ans 1: Physics:
    The branch of science which deals with the properties of matter energy and their mutual relationship is known as physics.
    Physics has played on importance role in our daily life.
    1. The electronic media like T.V, radio, Loudspeaker, Telephone, cell phone, Photo phone for machine etc are the important source of communication which works on the principles of physics.
    2. Information technology is based on the principle of physics which is the scientific method of storing, protecting, processing, Transmitting, receiving and retrieving information
    3. The whole world has become a global village due to use of computer net works which works on the principles of physics.
    4. Atomic bomb is the invention of physics which can be used for the production of huge amount of energy. It can be also used for defence purposes.
    5. X-rays, Y-rays Laser rays etc. are the inventions of physics which can be used in industry, health and agriculture department for various purposes.
    6. Cathode ray oscilloscope (C.R.O) is the invention of physics which can be used as graph plotting device to see the wave from of a repetitive electronic signals the C.R.O can be also used in T.V circuits in computers system and as A.C circuits or D.C circuits circuits.
    7. All means of transport, like aeroplane buses, motor cycles, railways etc work on the principles of physics
    8. Electricity is the invention of physics without which we can not imagine any machine in working conditions
    9. Rockets and satellites are the invention of physics with the help of which we can get information about the upper atmosphere.
    10. The simple machine like pulley, wedge, like leaver screw-jack etc are the invention of physics which can be used for various purposes invention of physics which can be used for various purpose in daily life.
    11. Physics explain the natural phenomena in term of fundamental principles and basics and basic Laws
    12. Electron microscope is the invention of physics which is used to see distant objects clearly.
    13. Microphone is the invention of physics which can be used to study microorganisms clearly and easily
    14. Telescope is the invention of physics which is used to see distance objects clearly.
    15. Physics employs the essential steps of scientific method observation recording analysis prediction and verification.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

Question # 1

Define physical quantities and derived quantities.

  • Ans 1: Physical quantites: All measurable quantities are called physical quantities.
  • Ans 2: Example: Length mass, time and temperature etc.
  • Ans 3: Derived quantites: The quantities that are expressed in terms of base quantities are called derived quantities.
  • Ans 4: Examples: Area, volume, speed, force, work etc are derived quantities.
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