54 Questions
What is the vector product of two parallel or antiparallel vectors?
Equal to 0
What is the vector product of any vector with itself?
Equal to 0
What refers to physical quantities that are completely specified by just a number and a unit or physical quantities that have magnitudes only?
Scalar quantities
What refers to physical quantities that have a magnitude and a direction?
Vector quantities
The dot product of two perpendicular vectors is always ______.
Equal to 0
The cross product of two perpendicular vectors is always ______.
Equal to 1
The magnitude of a vector is always ______.
Positive
The dot product of a vector with itself is always ______.
Positive
The cross product of a vector with itself is always ______.
Zero
The dot product of two parallel or antiparallel vectors is always ______.
Zero
What is the SI unit of force?
Newton
What is the SI unit of energy?
Joule
What is the SI unit of pressure?
Pascal
What is the SI unit of electric charge?
Coulomb
What is the SI unit of frequency?
Hertz
What is the SI unit of electric potential?
Volt
What is the SI unit of magnetic flux?
Weber
What is the SI unit of capacitance?
Farad
What is the SI unit of conductance?
Siemens
What is the SI unit of inductance?
Henry
What is the SI unit of pressure?
Pascal (Pa)
How many Pascals are equivalent to 1 bar?
100,000 Pascals
What is the SI unit of intensity?
Watt per square meter (W/m^2)
What is the unit of potential difference?
Volt (V)
What is the unit of capacitance?
Farad (F)
How many joules is one electron volt equivalent to?
1.6 x 10^-19 joules
What is the SI unit of electric current?
Ampere (A)
What is the SI unit of luminous intensity?
Candela (cd)
What is the unit of resistance?
Ohm (Ω)
In what unit is sound intensity measured?
Decibels (dB)
What is the SI unit of power?
Watt
What is the SI unit of luminous intensity?
Candela
What is the unit of relative intensity?
Unitless
What is the standard unit of mass?
Kilogram
What is the vector product of two parallel or antiparallel vectors?
Equal to 0
What is the vector product of any vector with itself?
Equal to 0
What refers to physical quantities that are completely specified by just a number and a unit or physical quantities that have magnitudes only?
Scalar quantities
What refers to physical quantities that have a magnitude and a direction?
Vector quantities
What is the dot product of two parallel or antiparallel vectors?
Equal to 1
What is the dot product of any vector with itself?
Equal to 1
What is the vector product of two perpendicular vectors?
Equal to 1
What is the dot product of two perpendicular vectors?
Equal to 0
What is the SI unit of power?
Watt (W)
What is the SI unit of magnetic flux?
Weber (Wb)
What is the SI unit of conductance?
Siemens (S)
What is the SI unit of electric charge?
Coulomb (C)
What is the SI unit of electric potential?
Volt (V)
What is the SI unit of energy?
Joule (J)
What is the SI unit of inductance?
Henry (H)
What is the SI unit of frequency?
Hertz (Hz)
What is the SI unit of force?
Newton (N)
What is the SI unit of pressure?
Pascal (Pa)
What is the SI unit of intensity?
Watt per square meter (W/m^2)
What is the SI unit of luminous flux?
Lumen (lm)
Study Notes
Physics Units and Measurements
- The SI unit of pressure is the Pascal (Pa).
- 1 bar is equivalent to 100,000 Pascals.
- The SI unit of intensity is the watt per square meter (W/m^2).
- The unit of potential difference is the Volt (V).
- One electron volt is equivalent to 1.6 x 10^-19 joules.
- The unit of capacitance is the Farad (F).
- The SI unit of electric current is the Ampere (A).
- The unit of resistance is the Ohm (Ω).
- The SI unit of luminous intensity is the Candela (cd).
- The unit of luminous flux is the Lumen (lm).
- One horsepower is equivalent to 746 watts.
- Sound intensity is measured in decibels (dB).
Physics Units and Measurements
- The SI unit of pressure is the Pascal (Pa).
- 1 bar is equivalent to 100,000 Pascals.
- The SI unit of intensity is the watt per square meter (W/m^2).
- The unit of potential difference is the Volt (V).
- One electron volt is equivalent to 1.6 x 10^-19 joules.
- The unit of capacitance is the Farad (F).
- The SI unit of electric current is the Ampere (A).
- The unit of resistance is the Ohm (Ω).
- The SI unit of luminous intensity is the Candela (cd).
- The unit of luminous flux is the Lumen (lm).
- One horsepower is equivalent to 746 watts.
- Sound intensity is measured in decibels (dB).
Test your knowledge of physics units and measurements with this quiz. From pressure to electric current, potential difference to luminous intensity, challenge yourself with questions about the SI units and equivalents in the world of physics.
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