Convert the density of mercury from \(15.6 \space \text g \space \text c \text m^{-3}\) into \(\text {kg} \space \text m^{-3}\).
\(1.56 \times 10^4 \space \text {kg} \space \text m^{-3}\)
\(1.56 \times 10^3 \space \text {kg} \space \text m^{-3}\)
\(1.56 \times 10^2 \space \text {kg} \space \text m^{-3}\)
\(1.56 \times 10^1\space \text {kg} \space \text m^{-3}\)
Which of the following measurement is the shortest?
Convert \(278 \space \text {km} \space \text h^{-1} \) to \(\text m \text s^{-1}\).
A wavelength of red light is \(732 \space \text {nm}\).
What is the wavelength of red light in \(\mu \text m\)?
Speed, energy and momentum are \(\underline {\hspace {3.5cm}}\).
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