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NARAYNA-UNITS AND MEASUREMENTS-NCERT EXEMPLAR QUESTIONS
- The number of significant figures in 0.06900 is
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- The sum of the numbers 436.32, 227.2 and 0.301 in appropriate signific...
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- The mass and volume of a body are 4.237 g and 2.5cm^(3) respectively. ...
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- The numbers 2.745 and 2.735 on rounding off to 3 significant figures w...
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- The length and breadth of a rectangular sheet are 16.2 cm and 10.1cm, ...
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- Which of the following pairs of physical quantites does not have same ...
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- Measure of two quantites along with the precision of respective measur...
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- A person measures two quantities as A = 1.0 m +- 0.2 m ,B = 2.0 m +- 0...
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- Which of the following measurement is most precise?
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- The mean length of an object is 5 cm. Which of the following measureme...
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- Young's modulus of steel is 1.9xx10^(11) N//m^2 When expressed is CGS ...
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- If momentum (p), area (A) and time(t) are taken to be fundamental quan...
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- On the basis of dimensions, decide which of the following relation for...
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- If P, Q, R are physical quantities, having different dimensions, which...
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- Photon is quantum of radiation with energy E =hv where v is frequency ...
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- If Planck's constant (h) and speed of light in vacuum (c ) are taken ...
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- Which of the following ratios express pressure?
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- Which of the following are not a unit of time ?
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