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 error and uncertainty ? Discuss the various types of error ?

  • Ans 1: Error:The difference between measured value and actual value is known as error.
    Uncertainty:The errors which a rises due to natural imperfection of the experimenter the limitation of the apparatus and the change in the environment during the measurement is known as Uncertainty
    Types of Errors:There are three type of errors which are given below.
    1. Personal Error:The error due to carelessness or improper knowledge about an instrument or incorrect reading of a scale by an experimenter is known as personal error. The personal error can be removed to some extent error if the experimenter take care during the measurement of any quantity and have proper knowledge about the measuring instrument.
    2. Systematic Error:The error due to faulty apparatus and poor calibration of the instrument is known as systematic error. The systematic error also a rises from zero error between scales as in vernier caliper screw gauge and spherometer. The systematic error can be removed by comparing the faulty instrument with some accurate and standard instrument. the difference of the two can be added tracted to the measurement if the error is positive then will be subtracted from faulty instrument reading for correctness. If the error is negative, then it will be added to the foulty instruments reading for correctness
    3. Statistical Error:The error due to repeated measurements of same quantity under same condition that result in different values of the same quantity is known random error.
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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 error and uncertainty ? Discuss the various types of error ?

  • Ans 1: Error:The difference between measured value and actual value is known as error.
    Uncertainty:The errors which a rises due to natural imperfection of the experimenter the limitation of the apparatus and the change in the environment during the measurement is known as Uncertainty
    Types of Errors:There are three type of errors which are given below.
    1. Personal Error:The error due to carelessness or improper knowledge about an instrument or incorrect reading of a scale by an experimenter is known as personal error. The personal error can be removed to some extent error if the experimenter take care during the measurement of any quantity and have proper knowledge about the measuring instrument.
    2. Systematic Error:The error due to faulty apparatus and poor calibration of the instrument is known as systematic error. The systematic error also a rises from zero error between scales as in vernier caliper screw gauge and spherometer. The systematic error can be removed by comparing the faulty instrument with some accurate and standard instrument. the difference of the two can be added tracted to the measurement if the error is positive then will be subtracted from faulty instrument reading for correctness. If the error is negative, then it will be added to the foulty instruments reading for correctness
    3. Statistical Error:The error due to repeated measurements of same quantity under same condition that result in different values of the same quantity is known random error.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 2

Question # 1

The period of simple pendulum is measured by a stop watch. What type of errors are possible in the time period?

  • Ans 1: The two types of errors are possible .
    Random error which is due to the negligence or inexperience of a person at the time of starting and stopping the stopwatch.And systematic error which occurs due to the poor calibration of the instrument.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

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 4

Question # 1

Give four parasitic adaptation of flat worms.

  • Ans 1:
    1. The epidermis is absent and there is formation of resistant cuticle for protection.
    2. They have developed adhesive organs,such as sucker and hooks for attachment to the host.
    3. There is degeneration of muscular and nervous system.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

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 6

Question # 1

Define system of units ? Give the name of various system of unit?

  • Ans 1: System Units:A complete set of unit for all physical quantities is known as system of units .
    Explanation:There are several system of unit For example
    Foot - pound - system ( FPS)
    Meter - kilogram -second system (MKS )
    Centimetre - gram - second system (CGS )
    But the most popular system id the system international (SI)
    System International(SI):In 1960 on international committee agreed on a set of definitions and standards to describe the physical quantities. The system that was established is called system international (SI)
    The system international is used throughout the world. Its unit are convenient for daily use .
    The system international is build-up from three kinds of unit
    • Base Unit
    • Derived Units
    • Supplementary Units
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

Deduce the dimensions of gravitational constant ?

  • Ans 1: pic
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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

Define base and derived quantities.

  • Ans 1: Base Quantities are the quantities on the basis of which other quantities are expressed.
    Examples: Length, mass time electric current, temperature. intensity of light and amount of substance are examples of base quantities.
  • Ans 2: Derived Quantities: The quantities that are expressed in term of base quantitites are called derived quantities.
    Examples: Volume, speed, force, work, electric, charge are some examples of derived quantities.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

Question # 1

Define the term light.

  • Ans 1: Light is the form of energy. Light is electromagnetic radiation that can be detected by the human eye. Light is a general term that is commonly used to refer to the visible spectrum.Visible menas something that can be seen using the eye, as opposed to invisible" things that cannot be seen
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ICS Part 1 Physics Short Questions Test

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