1. Foundations

Dimensional Analysis — Quiz

Test your understanding of dimensional analysis with 5 practice questions.

Practice Questions

Question 1

In quantum engineering, the energy of a photon is often expressed in electronvolts (eV). If a photon has an energy of $2.5 \text{ eV}$, what is this energy in Joules ($\text{J}$)? (Given: $1 \text{ eV} \approx 1.602 \times 10^{-19} \text{ J}$)

Question 2

When designing quantum devices, 'scaling' refers to how physical properties change with device size. Which of the following is a key consideration when scaling down quantum devices?

Question 3

A quantum system has a characteristic length scale ($L$) of $50 \text{ nm}$. What is this length in meters ($\text{m}$)?

Question 4

The unit of magnetic flux is the Weber ($\text{Wb}$). In terms of fundamental SI units, what is $1 \text{ Weber}$ equivalent to?

Question 5

If a quantum phenomenon has a characteristic frequency ($f$) of $10 \text{ GHz}$ (gigahertz), what is this frequency in Hertz ($\text{Hz}$)?