Write the dimensional formula for power.

Important Questions on Units and Measurements

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 23

Round off the number $9.8953$ to three significant figures.

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 24

Write $623.5 \mathrm{cm}$ in scientific notation.

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 25

What is the relation between $1\mathrm{AU}$ and $1$ parsec?

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 26

Name various instruments and methods used to estimate very small distances.

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 27

What principle is used in a mass spectrograph to estimate the mass of a charged particle?

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 28

What do you mean by parallax angle?

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 32

A distance of $100 \mathrm{cm}$ is measured using a metre scale of least count $0.1 \mathrm{cm}.$ Find the percentage error in the measurement.

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 33

The mass of a beaker is found to be $(35.6\pm 0.2)$ gram when empty, and $(46.4\pm 0.2)$ gram when filled partially with a liquid. Find the mass of the liquid with proper uncertainty.