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प्रश्न
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.
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उत्तर
Average = `("sum of all observations")/("number of observations")`
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संबंधित प्रश्न
Fill in the blank
l m3 =..........cm3
A block of iron has dimensions 2 m × 0.5 m × 0.25 m. The density of iron is 7.8 g cm−3. Find the mass of block.
A car travels a distance of 15 km in 20 minute. Find the speed of the car in m s-1.
Convert the following quantity as indicated:
1 ft = cm
Name the device which you will use to measure the perimeter of your playground. Describe in steps how you will use it.
Name two devices used to measure the short time interval of an event.
Answer the following in short.
What are the characteristics of a standard unit?
Answer the following in detail.
What do you understand by the term volume?
What do you mean by ‘unit’?
Assertion (A): Density is a derived physical quantity
Reason (R): Density cannot be derived from the fundamental physical quantities.
