Multiple choice

Which of the following has no units?

  1. Thermal capacity

  2. Magnetic susceptibility

  3. Poisson ratio

  4. both (2) and (3)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

4    The ratio of the magnetization of a material to the magnetic field strength is called magnetic susceptibility; it is a tensor when these two quantities are not parallel; otherwise it is a simple number. Poisson ratio is a ratio i.e. a number ( Number is a unit less thing)

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