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

Give the drawbacks to use the period of pendulum as a time standard.

  • Ans 1:
    The value of time periods of a simple pendulum depends upon its length and gravitational acceleration. So, the following drawbacks will be observed.
    • The value of g varies with altitudes
    • Length of the pendulum varies due to the increase or decrease in temperature .
    • Air resistance will affect the time period.



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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

Give the drawbacks to use the period of pendulum as a time standard.

  • Ans 1:
    The value of time periods of a simple pendulum depends upon its length and gravitational acceleration. So, the following drawbacks will be observed.
    • The value of g varies with altitudes
    • Length of the pendulum varies due to the increase or decrease in temperature .
    • Air resistance will affect the time period.



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

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 3

Question # 1

what is time period?

  • Ans 1: The time taken by vibrating body to complete its one vibration is called time period.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 4

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 5

Question # 1

What events occur in anaphase-I in meiosis?

  • Ans 1: During the anaphase of meiosis -1.The spindle fibers contract and each member of homologous chromosomes moves toward each pole.In this way half chromosomes reaches to one pole and other half reaches to another pole.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

What are supplementary units? Write their names.

  • Ans 1: The General Conference on Weights and Measure has not yet classified certain unit of SI under either base or derived units. Theses SI units are called supplementary units.
    Radian and Steradian are supplementary units.
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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

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 8

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 9

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 10

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 Short Questions Test

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