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SL ARORA-Units and Measurements-Exercise
- Explain the principle of homogeneity of dimensions. What are its uses?...
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- Which of the following has the same dimension as Planck's constant : T...
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- What are the dimensions of rate of flow?
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- What is the differecne between the measurements 4.0 cm and 4.000 cm ?
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- What significance is attached to the final zeros in a number without a...
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- How many significant figures are 750
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- How many significant figures 0.00320
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- If / = x , then relative error in / would be how many times the relati...
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- A research worker takes 100 observations in an experiment . If he repe...
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- Give two examples of non dimensional veriables.
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- 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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