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

Define significant figures.

  • Ans 1: In any measurement, the accurately Known digits and the first doubtful digit are called the significant figures. For example, The number of significant figures in the measurement 02.59 are 3.
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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

Define significant figures.

  • Ans 1: In any measurement, the accurately Known digits and the first doubtful digit are called the significant figures. For example, The number of significant figures in the measurement 02.59 are 3.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

Question # 1

What are derived units? Explain.

  • Ans 1: The units associated with the derived quantities are called derived units. SI units for measuring all other physical quantities are derived from the base and supplementary units. For example , newton, joule,watt and pascal are derived units.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

Question # 1

Discuss the various branches of physics?

  • Ans 1: The various branches of physics are given below.
    1. Mechanies:It is the branch of physics which deals with the study of motion of material objects under the action of forces
    2. Heat:It is the branch of physics which deals with the study of nature, properties and uses of heat energy.
    3. Light:It is the branch of physics which deals with the study of nature, properties and use of light energy
    4. Electricity and Magnetism: It is the branch of physics which deals with the properties of charge at the rest as well as in motion.
    5. Atomic Physics:It is the branch of physics which deals with the structures and properties of individual atoms.
    6. Nuclear Physics:It is the branch of physics which deals with the properties of nucleus.
    7. Solid State Physics:The branch of physics which deals with the physical properties of solids is known as solid state physics.
    8. Elementary particle physics:It is the branch of physics which deals with deals with the study of sub-atomic particles.
    9. Plasma Physics:It is the branch of physics which deals with the study of properties of ionized gases
    10. Astrophysics:It is the branch of physics which deals with the study of biology based on the principle of physics.
    11. Geo - physics:It is the branch of physics which deals with the study of earth and its atmosphere.
    12. Health Physics:It is the branch of physics which deals with the study of diseases and their treatment.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 4

Question # 1

Define derived quantities and write the name of two derived quantities.

  • Ans 1: Derived quantities: Those physical quantities which are expressed in terms of base quantities are called the derived quantities.
  • Ans 2: Examples: Area, volume, speed, force, work, energy power, electric charge, electric potential.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

Question # 1

Define Measurement, unit and Magnitude?

  • Ans 1: Measurement:The comparison of some thing with some standard is known as measurement.
    Unit:The standard with which thing are compared is known as unit.
    Magnitude:A number with proper unit is known as magnitude.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

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 7

Question # 1

Differentiate between precise and accurate measurement.

  • Ans 1: Precis Measurement: A measurement which has less absolute uncertainty is called precise measurement.

    Accurate Measurement: is the one which has less fractional or percentage error.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

Define the process of painting with one example.

  • Ans 1: It is structual adaptation for heat regulation in dogs. Painting is evaporative cooling in the respiratory tract for temperature regulation.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 9

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 10

Question # 1

Define light year. How many meters are there in one light year?
[ Speed of light = 3x108ms-1)

  • Ans 1: Alight year is the distance light travels in one year.
    Since
    S = vt
    or S = vt
    S= (3x108ms-1)(365x24x60x60 s)
    S= 9.46x 1015m
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ICS Part 1 Physics Short Questions Test

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