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 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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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 basic units.

  • Ans 1: The units associated with the base quantities are called base units. Theses are meter, kilogram, second, ampere, kelvin, candela, mole.
Submit

ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

Question # 1

What is importance of bivalent formation?.

  • Ans 1: Due to bivalent formation of homologous chromosomes,the non sister chromatids exchange their segment during the crossing over resulting in new recombination.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

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 4

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 5

Question # 1

Define Physical Quantities ? Explain base quantities and derived quantities?

  • Ans 1: Physical Quantities:All the measurable quantities are known as physical quantities for example, speed, mass , force, velocity, momentum temperature etc
    • Base Quantities:These are those physical quantities in term of which other physical quantities can be defined the base quantities can not be defined in term of other physical quantities.
    Example of base quantities:These are the seven base quantities, which are given below.
    1. Mass
    2. Length
    3. Time
    4. Current
    5. Temperature
    6. Amount of substance
    7. Luminous intensity
    • Derived Quantities:Those physical quantities which can be derived from base quantities are known as derived quantities
    Example of derived quantities:
    Force, Work, Power, energy, momentum, torque, speed, acceleration etc are the example of derived physical quantities

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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

Discuss the assessment of uncertainty in the final result?

  • Ans 1: pic
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

Name two major types of errors in measurement and also define them.

  • Ans 1: The major types of errors in measurement are Systematic Error and Random Error.

    Systematic Errors:Systematic errors occurs when repeated measurements of a quantity give the same values under the same conditions.This error is due to poor calibration or zero error in the stop watch. This error can be removed by applying correction factor
  • Ans 2: Random Error: Random error occurs when repeated measurements of a quantity give different values under the same conditions. This error is due to faulty procedure or negligence and inexperience of person at the time to start or stop the stop watch. This can be reduced by taking average value of observed readings .
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

Find the dimension of kinetic energy ?

  • Ans 1: pic
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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

Write down four conventions for indicating units.

  • Ans 1: The convection for indicating units are as follows:
    1. Full name of the unit does not begin with the capital letter even if named after a scientist e.g. Newton.
    2. The symbol of unit named after a scientists has initial capital letter e.g. N for newton.
    3. The prefix should be written before the unit without any spacee.g. 1x 10-6= µ m

    4. Compound prefixes are not allowed. For example 1 µµF should be written as 1 pF.

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ICS Part 1 Physics Short Questions Test

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