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 Base, Derived, supplementary, Units ?

Ans 1: Base Units:The units of base quantities are known as base unit.
Base quantity: Symbol
Length l
Mass M
Time t
Electric current I
Temperature T
Derived Quantity:The unit of derived quantities are known as derived units. The derived units can be derived from base unit and supplementary units
Supplementary Units:The general conference on weight and measures has not yet classified certain units of the SI under either base units or derived units such SI Units are called supplementary units This class contains only two units of purely geometrical quantities which are place angle and the said angle.
1. Radian :It is the unit of plane angle. One radian represents a plane angle subtended at the center of a circle by on are of length equal to radius of the circle.
2. Steradian:Steradian is the unit for a solid angle in a three dimensional space steradian is defined as "the solid angle subtended at the center of a sphere by an area of its surface equal to the square of the radius of that sphere"

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

Question # 1

Define Base, Derived, supplementary, Units ?

Ans 1: Base Units:The units of base quantities are known as base unit.
Base quantity: Symbol
Length l
Mass M
Time t
Electric current I
Temperature T
Derived Quantity:The unit of derived quantities are known as derived units. The derived units can be derived from base unit and supplementary units
Supplementary Units:The general conference on weight and measures has not yet classified certain units of the SI under either base units or derived units such SI Units are called supplementary units This class contains only two units of purely geometrical quantities which are place angle and the said angle.
1. Radian :It is the unit of plane angle. One radian represents a plane angle subtended at the center of a circle by on are of length equal to radius of the circle.
2. Steradian:Steradian is the unit for a solid angle in a three dimensional space steradian is defined as "the solid angle subtended at the center of a sphere by an area of its surface equal to the square of the radius of that sphere"

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

Question # 1

Define light year. How many meters are there in one light year?
[ Speed of light = 3x10⁸ms^-1)

Ans 1: Alight year is the distance light travels in one year.
Since
S = vt
or S = vt
S= (3x10⁸ms^-1)(365x24x60x60 s)
S= 9.46x 10¹⁵m

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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

Question # 1

Define least count and write meter rod's least count

Ans 1: smallest measurement hat can be taken by an instrument is called least count of that instrument Least Count

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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 4

Question # 1

Is a zero significant or not? Explain.

Ans 1: Azero may or may not be significant. The following rules are used.
- A zero between two significant figures is itself significant.
- Zeros to the left of significant figures are not significant .
- In decimal fraction, zeros to the right of a significant figure are significant.
However , in integers, the number of significant zeros is determined by the accuracy of the measuring instrument.
- In scientific notation, the digits other than the powers of ten are significant.

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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

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 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

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 8

Question # 1

Define meter and Kelvin.

Ans 1: Meter: One meter is the distance travelled by light in vacuum during a time of 1 /299, 792,458 seconds.
Kelvin: One kelvin is the fraction 1/273.16 of the thermodynamic temperature the triple point of water.

Question # 6

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 9

Question # 1

How many nanoseconds are there in 1 year?

Ans 1: As 1 year = 3.136x10^{7 s}
1 year = 3.1536x10⁷ X1s
1 year =3.1536x10⁷x10⁹x10^-9s
1 year =3.1536x10⁷x10^-9ns
1 year =3.1536x 10¹⁶ns

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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 10

Question # 1

An old saying is that " A chain is only as strong as its weakest link , " What analogous statement can you make regarding measurement ?

Ans 1: The analogous statement is that the result of an experimental data which is as accurate as measurements can be used in the computation.

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ICS Part 1 Physics Short Questions Test

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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 "

Physics - ICS Part 1 Physics Chapter 1 Short Questions Test

Define Base, Derived, supplementary, Units ?

How can you assess the uncertainty in the average value of many measurements?

Define and explain supplementary units?

Find the dimension of kinetic energy ?

Define meter and Kelvin.

What are three fundamental frontiers of fundamental science?

Define the term "Joule" and convert 15 calories to joules?

What is meant by coexistances.

Described the principle of homogeneity of dimensional analysis.

Why do we find it useful to have two units for the amount of substance kilogram and mole?

Prepare Complete Set Wise Questions For Chapter 1 "ICS Part 1 Physics Chapter 1 Short Questions Test "

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Set 7

Set 8

Set 9

Set 10

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

Define Base, Derived, supplementary, Units ?

How can you assess the uncertainty in the average value of many measurements?

Define and explain supplementary units?

Find the dimension of kinetic energy ?

Define meter and Kelvin.

What are three fundamental frontiers of fundamental science?

Define the term "Joule" and convert 15 calories to joules?

What is meant by coexistances.

Described the principle of homogeneity of dimensional analysis.

Why do we find it useful to have two units for the amount of substance kilogram and mole?

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

Define light year. How many meters are there in one light year?[ Speed of light = 3x108ms-1)

Define the term light.

Add the mass given in kg up to appropriate precision: 2.189,0.089,11.8 and 5.32.

Define base units. Give one example.

Define international system of units.

Write down four conventions for indicating units.

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

What are two principal characteristics of an ideal standard?

Define Born-Haber cycle and lattice energy?

Define error and uncertainty ? Discuss the various types of error ?

ICS Part 1 Physics Chapter 1 Short Questions Test - Set 3

Define least count and write meter rod's least count

Define base and derived quantities.

Define Measurement, unit and Magnitude?

Define international system of units.

What is physical significance of dimension of physical quantity?

Give four parasitic adaptation of flat worms.

Define error and uncertainty ? Discuss the various types of error ?

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

Does dimensional analysis give any information on constant of proportionality that may appear in algebraic expression? Explain.

What role SI units have played in the development of science

ICS Part 1 Physics Chapter 1 Short Questions Test - Set 4

Is a zero significant or not? Explain.

How many seconds are there in one year?

Define Measurement, unit and Magnitude?

Define the process of painting with one example.

what is time period?

Give four parasitic adaptation of flat worms.

Define Born-Haber cycle and lattice energy?

Define least count and write meter rod's least count

How can you define term wave?

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

ICS Part 1 Physics Chapter 1 Short Questions Test - Set 5

What is importance of bivalent formation?.

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

Write down four conventions for indicating units.

Name several repetitive phenomenon occurring in nature which could serve as reasonable time standard.

Define light year. How many meters are there in one light year?
[ Speed of light = 3x10⁸ms^-1)