Estimation and order of magnitude Knowledge-Based Download PDF

Questions

1. 1.

   Visible light has an average wavelength of approximately 500 nm. What is the order of magnitude of the number of these wavelengths contained in a distance of 1 m?

   • A) $10^4$
   • B) $10^9$
   • C) $10^{-6}$
   • D) $10^6$
2. 2.

   A single drop of water has an estimated volume of approximately 0.05 mL. What is the order of magnitude of the number of drops of water in a 1-liter bottle?

   • A) $10^3$
   • B) $10^4$
   • C) $10^5$
   • D) $10^6$
3. 3.

   A cubic water tank has an edge length of 2 m. Given that the density of water is 1000 kg/m$^3$, what is the order of magnitude of the mass of water contained in the full tank in kilograms?

   • A) $10^4$ kg
   • B) $10^3$ kg
   • C) $10^5$ kg
   • D) $10^2$ kg
4. 4.

   A standard pack of 500 sheets of paper has a thickness of approximately 5 cm. What is the order of magnitude of the thickness of a single sheet of paper in meters?

   • A) $10^{-2}$ m
   • B) $10^{-6}$ m
   • C) $10^{-3}$ m
   • D) $10^{-4}$ m
5. 5.

   A person takes approximately 20 breaths per minute while resting. What is the order of magnitude of the total number of breaths taken by the person in one year?

   • A) $10^5$
   • B) $10^6$
   • C) $10^7$
   • D) $10^8$