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SL ARORA-Units and Measurements-Exercise
- Name any three dimensional constants.
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- Name any two non dimensional constant.
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- Write the dimensional formula of wavelength and frequency of a wave
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- If x = at + bt^(2) where x is in meter (m) and t is in hour (hr) t...
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- If x = at + bt^(2) where x is in meter (m) and t is in hour (hr) t...
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- The number of significant figures in 0.007 is
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- State the number of significant figures in 2.67xx10^-24 kg
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- How can a systematic error be eliminated ?
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- Name the physical quantity used to express the amount of water vapour ...
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- Write the number of significant figures in each of the measurement :- ...
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- Write the number of significant figures in each of the measurement:- 0...
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- Add 8.2 and 10.163 and round off the sum to proper number of significa...
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- Give approximate ratio of 1 AU and 1 light year.
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- How many kilograms are there in 1 amu ?
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- What do you understand by absolute error ?
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- Write the dimensional formula of stress
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- The dimensional formula of coefficient of viscosity is
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- What is meant by the term measurement of a physical quantity? How is t...
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- Define light year.
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- Define Astronomical unit, light year and parscond. Establish relation ...
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