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Answer the following in a word or two or in a sentence.
Write the formula for finding the average of a given set of observations.
Concept: undefined >> undefined
Answer the following in short.
What is parallax error?
Concept: undefined >> undefined
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Answer the following in short.
Explain the working of an extension spring balance.
Concept: undefined >> undefined
Answer the following in short.
What do you mean by a mean solar day?
Concept: undefined >> undefined
Answer the following in short.
Describe any two means by which the actual capacity’ of a measuring container can be made less than the correct value by a dishonest trader.
Concept: undefined >> undefined
Answer the following in detail.
What do you understand by the term volume?
Concept: undefined >> undefined
Answer the following in detail.
What do you understand by the term capacity?
Concept: undefined >> undefined
Answer the following in detail.
which is the most suitable unit for measuring the volume of a glass filled with water?
Concept: undefined >> undefined
Answer the following in detail.
Which is the most suitable unit for measuring the volume of the swimming pool?
Concept: undefined >> undefined
Answer the following in detail.
Which is the most suitable unit for measuring the volume of air inside an inflated balloon?
Concept: undefined >> undefined
Fill in the blank
The physical state of a substance, which has a fixed volume but no fixed shape is ...............
Concept: undefined >> undefined
Fill in the blank
Liquids have a definite ............
Concept: undefined >> undefined
Fill in the blank
The temperature at which a liquid boils is called the ................. point of that liquid.
Concept: undefined >> undefined
Fill in the blank
Liquids have no definite ...........
Concept: undefined >> undefined
Fill in the blank
When a gas is cooled, its molecules .............. energy.
Concept: undefined >> undefined
Write whether the following statement is true or false.
Only water can exist in three different states.
Concept: undefined >> undefined
Write whether the following statement is true or false.
If the container in which a gas is collected has an opening, the gas will flow out and spread itself indefinitely.
Concept: undefined >> undefined
Write whether the following statement is true or false
All solids, on heating, first change to the liquid and then to the gaseous state always.
Concept: undefined >> undefined
Write whether the following statement is true or false.
The intermolecular force of attraction is the weakest in gases.
Concept: undefined >> undefined
Answer the following in detail.
Which is the most suitable unit for measuring the volume of a cylinder of a car engine?
Concept: undefined >> undefined
