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SL ARORA-Units and Measurements-Exercise
- Define atomic mass unit. Express it in g.
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- How many times larger is a kg then an mg ?
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- How may metric tone are there in a teragram?
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- What is the order of mass of an electron ?
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- What is mass of universe ?
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- What is the smallest mass measured indirectly so far?
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- Why has 'second' been defined in terms of periods of radiation from Ce...
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- Human heart is an inbuilt clock. Comment
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- Which is the most accurate atomic clock ?
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- Which technique is used for measuring age of rocks, fossils etc.
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- How many times is a millisecond larger then a microsecond ?
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- How many microseconds in a second and How many number of seconds in a ...
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- What is the order of age of the earth ?
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- Give the order of average life of a human being
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- Wlidt is the shortest time interval measured indirectly so far ?
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- The SI unit of temperature is
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- The SI unit of electric current is
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- The SI unit of luminous intensity is
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- Define the mole fraction of a substance in solution.
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- What is the probability that a leap year has 53 Sundays ?
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