SL ARORA-Units and Measurements-Exercise
- What do you mean by error in a measurement? Briefly explain the differ...
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- Calculate the number of astronomical units in one metre.
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- How many parsec are ther in one metre?
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- How many metre are there in a light year?
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- The density of air is 1.293 kg /m^3. Express it in cgs units.
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- Express an acceleration of 10ms^(-2) in km h^(-2)
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- If a mass of a proton is 1.67xx10^(-27)kg, how many protons will be pr...
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- Write the order of magnitude of the following : (i) 8 (ii) 49 (...
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- Write the order of magnitude of the following : (i) 8 (ii) 49 (...
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- Write the order of magnitude of the following : (i) 8 (ii) 49 (...
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- Write the order of magnitude of the following : (i) 8 (ii) 49 (...
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- Write the order of magnitude of the following : (i) 8 (ii) 49 (...
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- Write the order of magnitude of the following : (i) 8 (ii) 49 (...
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- Write the order of magnitude of the following : (i) 8 (ii) 49 (...
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- Write the order of magnitude of the following : (i) 8 (ii) 49 (...
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- What is one astronomical unit ? Express it in metres . Write its or...
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- What is the order of magnitude of second in a day ?
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- In a submarine fitted with a SONAR, the time between the genretaion of...
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- A radar signal is beamed towards a planet and its echo is recived 7 mi...
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- A rock under water is 1595 m deep. Find the time in which an ultrasoni...
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- The angle of elevation of the top of a hill is 30^(@) from a point on ...
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