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Physics
Units of measurement
$1\mu$ is
(A) ${10^{ - 6}}m$
(B) ${10^{ - 9}}m$
(C) ${10^{ - 10}}m$
(D) ${10^{ - 3}}m$

Physics
Units of measurement
What is the SI unit of time? Write its name and symbol.

Physics
Units of measurement
Convert $18km{\left( h \right)^{ - 1}}$ to $m{\left( s \right)^{ - 1}}$ ? Answers with steps.

Physics
Units of measurement
If an object has a density of $8.65\dfrac{g}{{c{m^3}}}$ . What is its density in units of $\dfrac{{kg}}{{{m^3}}}$ ?
Physics
Units of measurement
Is Litre a SI unit?
Physics
Units of measurement
Define cubit, hand-span, arm-length, and foot-span.
Physics
Units of measurement
What is the biggest unit of length?
A. Kilometer
B. Hectometer
C. Decameter
D. Decimeter
Physics
Units of measurement
Which of the following is the largest unit of length
(A) millimeter(mm)
(B) centimeter(cm)
(C) meter(m)
(D) kilometer(km)
Physics
Units of measurement
What does T stand for in physics waves?

Physics
Units of measurement
The given dimensional formula is for: $M\text{ }{{L}^{2}}\text{ }{{T}^{-2}}$
(A) Moment of inertia
(B) Pressure
(C) Elasticity
(D) Couple acting on a body

Physics
Units of measurement
The speed $\left( v \right)$ of ripples on surface of water depends upon the surface tension $\left( \sigma \right)$ density $\left( \rho \right)$ and wavelength $\left( \lambda \right)$ the speed $v$ is proportional to
$\left( A \right){\left( {\dfrac{\sigma }{{\lambda \rho }}} \right)^{\dfrac{1}{2}}}$
$\left( B \right){\left( {\dfrac{\rho }{{\lambda \sigma }}} \right)^{\dfrac{1}{2}}}$
$\left( C \right){\left( {\dfrac{\lambda }{{\sigma \rho }}} \right)^{\dfrac{1}{2}}}$
$\left( D \right){\left( {\rho g\sigma } \right)^{\dfrac{1}{2}}}$

Physics
Units of measurement
What is a conserved physical quantity?
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