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An object of mass 4.237 g occupies a volume 1.72 cm3. The density of the object to appropriate significant figures is

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Important Questions on Units and Measurements

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 34
Round off the value 2.845 to three significant figures.
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 35
A length 5.997 m rounded off to three significant figures is written as
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 36
What are the dimensions of the change in velocity?
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 37
The dimensional formula for energy is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 38
The pair of the quantities having same dimensions is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 39
The dimensional formula for relative refractive index is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 40
The dimensional formula ML-1 T-2 is for the quantity
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 41
The dimensionally correct expression for the resistance R among the following is
[P= electric power, I= electric current, t= time,
V= voltage and E=electric energy ]