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 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 1

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 2

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 3

Question # 1

Write down four conventions for indicating units.

Ans 1: The convection for indicating units are as follows:
1. Full name of the unit does not begin with the capital letter even if named after a scientist e.g. Newton.
2. The symbol of unit named after a scientists has initial capital letter e.g. N for newton.
3. The prefix should be written before the unit without any spacee.g. 1x 10^-6= µ m
4. Compound prefixes are not allowed. For example 1 µµF should be written as 1 pF.

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

Question # 1

Deduce the dimensions of gravitational constant ?

Ans 1:

Question # 2

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 5

Question # 1

Define international system of units.

Ans 1: The international system of units is a scientific method of expressing the magnitudes of quantities of important natural phenomana. There are seven base units in the system, from which other units are derived. This system was formarly called the meter-kilogram second (MKS) system.

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

Question # 1

Discuss the various branches of physics?

Ans 1: The various branches of physics are given below.
1. Mechanies:It is the branch of physics which deals with the study of motion of material objects under the action of forces
2. Heat:It is the branch of physics which deals with the study of nature, properties and uses of heat energy.
3. Light:It is the branch of physics which deals with the study of nature, properties and use of light energy
4. Electricity and Magnetism: It is the branch of physics which deals with the properties of charge at the rest as well as in motion.
5. Atomic Physics:It is the branch of physics which deals with the structures and properties of individual atoms.
6. Nuclear Physics:It is the branch of physics which deals with the properties of nucleus.
7. Solid State Physics:The branch of physics which deals with the physical properties of solids is known as solid state physics.
8. Elementary particle physics:It is the branch of physics which deals with deals with the study of sub-atomic particles.
9. Plasma Physics:It is the branch of physics which deals with the study of properties of ionized gases
10. Astrophysics:It is the branch of physics which deals with the study of biology based on the principle of physics.
11. Geo - physics:It is the branch of physics which deals with the study of earth and its atmosphere.
12. Health Physics:It is the branch of physics which deals with the study of diseases and their treatment.

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

Question # 1

Write two uses of X-rays diffraction by crystals.

Ans 1: X-ray diffraction has been very useful in determining the structure of biologically important molecules such as hemoglobin and double helix structure of DNA.

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

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 9

Question # 1

What is Scientific Notation .Explain ?

Ans 1: Writting number in power of ten or standard from N=M*10ⁿis called scientific Notation.
Explanation:With the help of Scientific Notation, we can express very large number or small number very easily. A large or small number "N" can be expressed in term of a number "M" and a power of '10 '
N= M * 10ⁿ-------------------(1)
In equation 1 "M" represents a number whose first digit is non-zero digit. "n" represents the power of 10, which may be positive or negative
For example 150,000,000,000 m can be expressed in scientific notation as under
150,000,000,000 m = 1.5* 10¹¹m

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

Question # 1

Differentiate between law of conservation of Energy.

Ans 1: Energy can neither be created place by created nor, destroyed , but can be changed from one form to another is called Law of Conservation of Energy.
If a chemical change takes place by several different routes, the overall energy change is the same , regardless of the route by which the chemical change occurs, provided the initial and final conditions are the same is known as Hess's Law.

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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 and derived quantities.

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

Define anhydrobiosis with an example

Define meter and Kelvin.

Differentiate between precise and accurate measurement.

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

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

What do you mean by scientific notation? Give an example.

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

Define Physics.

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 and derived quantities.

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

Define anhydrobiosis with an example

Define meter and Kelvin.

Differentiate between precise and accurate measurement.

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

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

What do you mean by scientific notation? Give an example.

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

Define Physics.

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

Define least count and write meter rod's least count

Draw a table for base units.

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

Define significant figures.

How can we reduce random and systematic error?

Define Measurement, unit and Magnitude?

Define and explain supplementary units?

Sate the Hess's law of constant heat summation?

Define basic units.

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

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

Write down four conventions for indicating units.

What is Scientific Notation .Explain ?

Define derived quantities and write the name of two derived quantities.

Differentiate between precise and accurate measurement.

Define and explain supplementary units?

Differentiate between Base Units and Derived Units.

Sate the Hess's law of constant heat summation?

Write down two rules to find the significant digits in measurement

Define physical quantities and derived quantities.

How many nanoseconds are there in 1 year?

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

Deduce the dimensions of gravitational constant ?

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

Draw a table for base units.

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

How can you define term wave?

Write two uses of X-rays diffraction by crystals.

Give two example of phylum platyhelminthes and Nematoda.

How the distance between interference fringes will be affected if the distance between the slits in Young 's experiment is doubled.?

What is importance of bivalent formation?.

Enthalpy is a state function Justify?

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

Define international system of units.

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

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

Differentiate between law of conservation of Energy.

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

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