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 nuclear physics.

  • Ans 1: The branch of physics which deals with the study of the constituent particles and interactions of atomic nuclei is called Nuclear Physics.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 1

Question # 1

Define nuclear physics.

  • Ans 1: The branch of physics which deals with the study of the constituent particles and interactions of atomic nuclei is called Nuclear Physics.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

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 3

Question # 1

Define nuclear physics.

  • Ans 1: The branch of physics which deals with the study of the constituent particles and interactions of atomic nuclei is called Nuclear Physics.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 4

Question # 1

Define the term "Joule" and convert 15 calories to joules?

  • Ans 1: The energy expanded when a force of one Newton move an object one meter in the direction in which force is applied. Where one joule is equal 107 Ergs and 1 cal =4.184 J and 15 cal = 4.184x15=62.76J
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

Question # 1

Discuss the conventions for using SI units?

  • Ans 1: The various conventions for using SI are given below.
    1. Full name of the unit does not begin with a capital letter even if named after a scientist.
    2. symbol of unit name after scientist has initial capital latter for for example N for newton Pa for pascal H3 for hertz etc
    3. The prefixes is written before an adjacent to the unit
    4. The combination of units is written each with one space a part For example , Torque =55 N m
    5. Double, triple etc prefixes are not allowed
    6. When a multiple of base unit is raised to a power. The power applies to the whole multiple and not just the base unit
    7. Before substituting values in the formula to calculate the final result make sure that all the included physical quantities are expressed in their SI units.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

Enthalpy is a state function Justify?

  • Ans 1: The total heat content of a system is called enthalpy. Equation
    H= E+PV E,P and V are state functions so enthalpy is also a state function.It is not possible to measure the enthalpy of a system in a given state.However change in enthalpy can be measured for achange in the state of system.

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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

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 8

Question # 1

which base quantities has units mole and kelvin

  • Ans 1: Mole: Mole is unit of base quantity "Amount of a substance"
  • Ans 2: Kelin: Kelvin is unit of base quantity "Temperature"
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 9

Question # 1

What role SI units have played in the development of science

  • Ans 1: With the development of science and technology, S.I units fulfill the serious need of for a commonly accept system of unit all over the world.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

Question # 1

Write the main type of error.

  • Ans 1: There are two types of errors possible I n physical measurements.
    1. Random error
    2. Systematic error
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