#1
Which of the following is a derived unit?
Newton
ExplanationForce unit derived from mass and acceleration.
#2
What is the SI unit of electric current?
Ampere
ExplanationUnit representing the flow of electric charge.
#3
What is the unit of pressure in the SI system?
Pascal
ExplanationPressure unit defined as one newton per square meter.
#4
What is the formula for density?
Density = Mass / Volume
ExplanationMeasure of mass per unit volume.
#5
Which of the following is not a fundamental force in nature?
Atomic
ExplanationAtomic force is not recognized as a fundamental force.
#6
What is the boiling point of water in Fahrenheit?
212°F
ExplanationTemperature at which water boils in the Fahrenheit scale.
#7
What is the speed of light in a vacuum?
299,792,458 meters per second
ExplanationUniversal constant representing the maximum speed.
#8
Which of the following is a vector quantity?
Velocity
ExplanationPhysical quantity with magnitude and direction.
#9
Which law of thermodynamics states that energy cannot be created or destroyed, only transformed?
First law
ExplanationConservation of energy principle.