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

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 1

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 2

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.

Question # 2

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 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

Define the term error, uncertainty precision and accuracy in measurements?

Ans 1: Errors:The difference between measured value and actual value of a quantity is known as Error.
Uncertainty:An estimate of the possible range of an error is known as uncertainty. (OR)
The error which arises due to natural imperfections of the experimenter, the limitations of the apparatus and the changes in the environment during the measurement is known as uncertainty.
Precision:The measure of the consistency of measurements is known as precision. It requirements the magnitude of error in measurements.
Accuracy:The measure of correctness of a measurements is known as accuracy"
The Accuracy means to check how the measure values is closer to the actual value It is a relative is closer to the actual value.It is a relative error. it can be obtained by dividing the error with measured quantity The accuracy depends on the error is greater than smaller will be the accuracy of the measurement can be increased by taking several reading and then take their average

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

Question # 1

What role SI units have played in the development of science

Ans 1: With the development of science and technology, S.I units fulfill the serious need of for a commonly accept system of unit all over the world.

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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 6

Question # 1

Explain the term " precision" and accuracy ?

Ans 1: The 'Precision represents the magnitude of error in a measurement while the accuracy means to check how the measured values are closer to the actual value. The accuracy represents the relative error. It can be obtained by dividing the error with measured quantity.
The accuracy depends on the error if the error is greater than smaller will be the accuracy of the measurements and vice versa.
The accuracy of the measurements can be increased by taking several readings and take their average.

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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 7

Question # 1

Differentiate between the precision and accuracy.

Ans 1: Precision: A measurement which has less absolute uncertainty is called precise measurement. The precision of a measurement is determined by the instrument being used.Absolute uncertainty , in effect, is equal to the least count of measuring instrument.
Accuracy: is the one which has less fractional or percentage error. Accuracy measures,how close a measured value is to the actual value.

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ICS Part 1 Physics Chapter 1 Short Questions Test - Set 8

Question # 1

What are derived units? Explain.

Ans 1: 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 9

Question # 1

Differentiate between the following? (a) Light year and year

Ans 1:
1. Light Year:Light year is the unit of distance. It is defined as, " the distance travelled by light in vacuum in one year."
2. Year:Year is the unit of time. It is defined as the time interval in which the earth completes one revolution around the sun"
1 Year = 365.25 days
and
1 year = 365.25*24*3600 sec
1 year = 31557600 sec

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

Question # 1

What dose the word "micro" signify in the words "micro wave oven ?

Ans 1: Micro means very small. Micro waves have the shortest wavelength of all the shortest wavelengths of all the radio waves, therefore, these are known as microwaves. Now like all electromagnetic waves the microwaves produces heating effect when their energy is absorbed. It is because, due to shorter wave length the micro waves posses high frequency and maximum energy.

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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

How many meters are there in one light year?

Described the principle of homogeneity of dimensional analysis.

What rules are of rounded off the significant figure?

What is meant by coexistances.

Define systematic errors. Explain how can we remove the effect of systematic errors?

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

Write down four conventions for indicating units.

Name two major types of errors in measurement and also define them.

which base quantities has units mole and kelvin

What is Scientific Notation .Explain ?

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

How many meters are there in one light year?

Described the principle of homogeneity of dimensional analysis.

What rules are of rounded off the significant figure?

What is meant by coexistances.

Define systematic errors. Explain how can we remove the effect of systematic errors?

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

Write down four conventions for indicating units.

Name two major types of errors in measurement and also define them.

which base quantities has units mole and kelvin

What is Scientific Notation .Explain ?

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

What are supplementary units? Write their names.

What is physics ? Discuss the importance of physics ?

How can you define term wave?

Is a zero significant or not? Explain.

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

What are derived units? Explain.

What rules are of rounded off the significant figure?

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

Define significant figures.

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

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

Differentiate between precise and accurate measurement.

Define derived units.

Is a zero significant or not? Explain.

Are radius and steradian the basic units of SI? Justify your answer?

Write the main type of error.

What is meant by coexistances.

Write down four conventions for indicating units.

Define the term light.

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

Define international system of units.

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

Define the term error, uncertainty precision and accuracy in measurements?

What do you mean by prefixes of the power of ten? Explain?

Define acromegaly. Give its cause.

Write down two rules to find the significant digits in measurement

What is importance of bivalent formation?.

Is a zero significant or not? Explain.

Define Measurement, unit and Magnitude?

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

What rules are of rounded off the significant figure?

Write the main type of error.

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

What role SI units have played in the development of science

Define Measurement, unit and Magnitude?

Give two example of phylum platyhelminthes and Nematoda.

Define derived units.