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

Explain Server repetitive phenomena occuring naturally which could served reason able time stands?

  • Ans 1: Any phenomenon that repeats its after regular time intervals can be used as a time standard.
    The several repetitive phenomenon occuring naturally which could served reasonable time standards are given below.
    1. The motion of earth around the sun and its spin motion can be used as reasonable time standards
    2. Revolution of mean around the earth can be used as reasonable time standards.
    3. Characteristics vibration of crystals such as quartz crystal can be used as reasonable time standards
    4. Some other repetitive phenomena which can be adopted to define a time standards are heart beat, human pulse rate radio active decay rate of some substance, changing of seasons change of shadow of an object in the sun light etc.
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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

Explain Server repetitive phenomena occuring naturally which could served reason able time stands?

  • Ans 1: Any phenomenon that repeats its after regular time intervals can be used as a time standard.
    The several repetitive phenomenon occuring naturally which could served reasonable time standards are given below.
    1. The motion of earth around the sun and its spin motion can be used as reasonable time standards
    2. Revolution of mean around the earth can be used as reasonable time standards.
    3. Characteristics vibration of crystals such as quartz crystal can be used as reasonable time standards
    4. Some other repetitive phenomena which can be adopted to define a time standards are heart beat, human pulse rate radio active decay rate of some substance, changing of seasons change of shadow of an object in the sun light etc.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

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 3

Question # 1

What do you mean by significant figures ? Give the rules for determining significant figures ?

  • Ans 1: Significant Figures:The combination of accurately known digits and the first doubtful digits during a measurement are known as as significant figures
    Rules for determining significant figures:
    1. All non-zero digits from '1' to '9' are significant for example in 36.473 m there are five significant figure
    2. All zero between two non-zero digits are significant for example in y= 4.03 m there are three significant figures
    3. The zero to the right of a decimal symbol and to the left of non-zero digits are not significant
    4. All zero to the right of a decimal appears after non-zero digits are significant
    5. In case of scientific notation the figures before the power of ten are significant
    6. In case of addition and subtraction the result obtained is retained to the measurement which is least precise in the data
    7. In case of multiplication and division the final result is retained to the measurement which contains the last number of significant figure
    8. In case of rounding of non-significant figures the following rules should be followed.
    • IF the dropping digits is less than '5' then it will be just ignored For example 863.73 is rounded to 863.7
    • If the dropping digits is greater than '5' then the last retained digit is increased by '1' for example 8.76 is rounded of 8.8
    • If the dropping digits is '5' and the last retained digits is even then it will remains uneffected. for example, 56.45 is rounded to 56.4
    • If the dropping digits is '5' and the last retained and the last retained digits is add than it will be increased by '1' for example 46.35 is rounded to 46.4
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 4

Question # 1

Give two example of phylum platyhelminthes and Nematoda.

  • Ans 1: Phylum platyhelminthes includes Liver fluke and Planaria.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

Question # 1

Differentiate between Base Units and Derived Units.

  • Ans 1: Base Units: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.

    Derived Units: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 6

Question # 1

What type of blood vessels surrounds the alveoli?

  • Ans 1: Artery
  • Ans 2: Arteriole
  • Ans 3: Capillary
  • Ans 4: Vein
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

What type of blood vessels surrounds the alveoli?

  • Ans 1: Artery
  • Ans 2: Arteriole
  • Ans 3: Capillary
  • Ans 4: Vein
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

What are two principal characteristics of an ideal standard?

  • Ans 1: An ideal standard has two principal characteristics.
    1. It is accessible.
    2. It is invariable.
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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

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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