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 base units. Give one example.

  • Ans 1: Base Units: The units that describe base quantities are called base units.
  • Ans 2: Example: Kilogram (kg) base unit of mass (bass quantity
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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 base units. Give one example.

  • Ans 1: Base Units: The units that describe base quantities are called base units.
  • Ans 2: Example: Kilogram (kg) base unit of mass (bass quantity
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

Question # 1

Write two uses of X-rays diffraction by crystals.

  • Ans 1: X-ray diffraction has been very useful in determining the structure of biologically important molecules such as hemoglobin and double helix structure of DNA.
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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 basic units.

  • Ans 1: The units associated with the base quantities are called base units. Theses are meter, kilogram, second, ampere, kelvin, candela, mole.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

Question # 1

What are base units name all of them?

  • Ans 1: The units associated with the base quantities are called base units. Other units are derived from base units . There are meter, Kilogram, second, candela, mole, ampere, kelvin.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

Described the principle of homogeneity of dimensional analysis.

  • Ans 1: According to homogeneity principle
    "If the dimensions of physical quantities on both sides of equation are the same, then the equation will be dimensionally correct".
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

Is a zero significant or not? Explain.

  • Ans 1: Azero may or may not be significant. The following rules are used.
    • A zero between two significant figures is itself significant.
    • Zeros to the left of significant figures are not significant .
    • In decimal fraction, zeros to the right of a significant figure are significant.
    However , in integers, the number of significant zeros is determined by the accuracy of the measuring instrument.
    • In scientific notation, the digits other than the powers of ten are significant.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

Why a screw gauge measures more accurately than a vernier cllipers

  • Ans 1: Because least count of screw guage is 0.01mm and divide 1mm into 10 equal parts. But least count of vernier calipers is 0.1mm and 1mm. divide into 10 equal parts.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 9

Question # 1

What do you mean by scientific notation? Give an example.

  • Ans 1: The standard form to represent numbers using power of ten is called scientific notation. The accepted practice is that there should be only one non-zero digit left o decimal. For Example
    The scientific notation of measurement 134.7 is 1.347 x 102.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

Question # 1

Add the mass given in kg up to appropriate precision: 2.189,0.089,11.8 and 5.32.

  • Ans 1: As m= 2.189+0.089 +11.8+5.32+19.398 kg
    By appropriate precision m= 19.4kg
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ICS Part 1 Physics Short Questions Test

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