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1 m ……….ly...

1 m ……….ly

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1 light year (ly)`=9.46xx10^(15) m`
`:.1m=(1)/(9.46xx10^(15)) ly`
`:.1m=1.057xx10^(-16 ly`
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KUMAR PRAKASHAN-UNITS AND MEASUREMENT-SECTION -B (NUMERICALS) (NUMERICAL FROM TEXTUAL EXERCISE)
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  2. 1 kg m^(2)s^(-2) =………. g cm^(2) s^(-2)

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  5. G = 6.67xx10^(-11) N m^(2)(kg)^(-2) = ………. (cm)^(3)s^(-2)g^(-1).

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  6. A calorie is a unit of heat (energy in transit) and it equals about 4....

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  7. Explain this statement clearly : "To call a dimensional quantity 'la...

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  10. A student measures the thickness of a human hair by looking at it thro...

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  11. You are given a thread and a metre scale. How will you estimate the di...

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  13. The mean diameter of a thin brass rod is to be measured by vernier cal...

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  14. The photograph of a house occupies an area of 1.75 cm^(2) on a 35 mm s...

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  15. State the number of significant 0.007 m^(2)

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  17. The mass of a box measured by a grocer's balance is 2.30 kg. Two gold ...

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  18. A physical quantity P is related to four observables a,b,c and d as fo...

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  19. A book with many printing errors contains four different formulas for ...

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