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

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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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

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 2

Question # 1

How many meters are there in one light year?

  • Ans 1: Since S= vt
    S =ct
    S = (3 x 108ms-1)(365x24x60x60 s)
    S= 9.46x 1015m
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

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 4

Question # 1

Express the following quantities using prefixes.

  • Ans 1: 5000 g
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

Question # 1

What is physics ? Discuss the importance of physics ?

  • Ans 1: Physics:
    The branch of science which deals with the properties of matter energy and their mutual relationship is known as physics.
    Physics has played on importance role in our daily life.
    1. The electronic media like T.V, radio, Loudspeaker, Telephone, cell phone, Photo phone for machine etc are the important source of communication which works on the principles of physics.
    2. Information technology is based on the principle of physics which is the scientific method of storing, protecting, processing, Transmitting, receiving and retrieving information
    3. The whole world has become a global village due to use of computer net works which works on the principles of physics.
    4. Atomic bomb is the invention of physics which can be used for the production of huge amount of energy. It can be also used for defence purposes.
    5. X-rays, Y-rays Laser rays etc. are the inventions of physics which can be used in industry, health and agriculture department for various purposes.
    6. Cathode ray oscilloscope (C.R.O) is the invention of physics which can be used as graph plotting device to see the wave from of a repetitive electronic signals the C.R.O can be also used in T.V circuits in computers system and as A.C circuits or D.C circuits circuits.
    7. All means of transport, like aeroplane buses, motor cycles, railways etc work on the principles of physics
    8. Electricity is the invention of physics without which we can not imagine any machine in working conditions
    9. Rockets and satellites are the invention of physics with the help of which we can get information about the upper atmosphere.
    10. The simple machine like pulley, wedge, like leaver screw-jack etc are the invention of physics which can be used for various purposes invention of physics which can be used for various purpose in daily life.
    11. Physics explain the natural phenomena in term of fundamental principles and basics and basic Laws
    12. Electron microscope is the invention of physics which is used to see distant objects clearly.
    13. Microphone is the invention of physics which can be used to study microorganisms clearly and easily
    14. Telescope is the invention of physics which is used to see distance objects clearly.
    15. Physics employs the essential steps of scientific method observation recording analysis prediction and verification.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

What is meant by coexistances.

  • Ans 1: Living with other human beigns in peace and harmony mutual peace and lvoe is claled coexistence
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

Give two adaptation of marine fish for its survival in cold environment.

  • Ans 1: These fishes have a thick layer of insulting fat called blubber which prevent excess heat loss from the body.
  • 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

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 9

Question # 1

What is meant by coexistances.

  • Ans 1: Living with other human beigns in peace and harmony mutual peace and lvoe is claled coexistence
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

Question # 1

Define Measurement, unit and Magnitude?

  • Ans 1: Measurement:The comparison of some thing with some standard is known as measurement.
    Unit:The standard with which thing are compared is known as unit.
    Magnitude:A number with proper unit is known as magnitude.
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