Physics Units and Measurements Quiz

When two vectors are parallel or antiparallel, their vector product is zero.

The vector product of any vector with itself is always zero.

Scalar quantities are physical quantities that can be described by a single numerical value and a unit.

Vector quantities are physical quantities that require both a magnitude and a direction to be completely described.

The dot product of two perpendicular vectors is always zero.

The dot product of any vector with a zero vector is always zero.

The cross product of two parallel vectors is always zero.

The cross product of any vector with a zero vector is always zero.

The Pascal (Pa) is the SI unit of pressure.

The Watt per square meter (W/m^2) is the SI unit of intensity.

One bar is equivalent to 100,000 Pascals.

The Volt (V) is the SI unit of potential difference.

One electron volt is equal to 1.6 x 10^-19 joules.

The Farad (F) is the SI unit of capacitance.

The Ampere (A) is the SI unit of electric current.

The Ohm (Ω) is the SI unit of resistance.

The Candela (cd) is the SI unit of luminous intensity.

The Lumen (lm) is the SI unit of luminous flux.

One horsepower is equivalent to 746 watts.

Sound intensity is measured in decibels (dB).

The Newton (N) is the SI unit of force.

The Pascal (Pa) is the SI unit of pressure.

The Ampere (A) is the SI unit of electric current.

The Hertz (Hz) is the SI unit of frequency.

The Newton (N) is the SI unit of force.

The Pascal (Pa) is the SI unit of pressure.

The Lumen (lm) is the SI unit of luminous flux.

The Ampere (A) is the SI unit of electric current.

The Hertz (Hz) is the SI unit of frequency.

The Coulomb (C) is the SI unit of electric charge.

The Weber (Wb) is the SI unit of magnetic flux.

The Siemens (S) is the SI unit of conductance.