Time is measured using a

Question

Time is measured using a?  
A. barometer.  
B. stopwatch.  
C. graduated cylinder.  
D. triple beam balance.

Accepted Answer

Correct Answer: (B)stopwatch.. 
Rationale: Time is measured using a stopwatch.Measurement in science requires tools specifically designed to quantify particular physical quantities. Each instrument has a dedicated function based on its operating principle and calibration.A) BarometerA barometer is an instrument designed to measure atmospheric pressure. It operates by balancing the weight of a column of mercury (or another fluid) or by using an aneroid cell that flexes with pressure changes. Its scale is calibrated in units of pressure such as millimeters of mercury (mmHg), atmospheres (atm), or pascals (Pa). It provides no mechanism or scale for measuring temporal intervals.B) StopwatchA stopwatch is a timekeeping instrument engineered to measure elapsed time with precision. It can be analog, with a sweeping second hand and a minute dial, or digital, using a quartz crystal oscillator for high accuracy. Activation and deactivation controls allow a user to start, stop, and reset the timing function. Its readout is in units of time: seconds, minutes, and often hundredths of a second. It is the standard tool in laboratories for timing chemical reactions, physiological processes, and physical events.C) Graduated cylinderA graduated cylinder is a piece of volumetric glassware used to measure the volume of a liquid. It is a tall, cylindrical container with a spout and a series of calibrated markings (graduations) along its side. The user reads the meniscus—the curve of the liquid's surface—to determine the volume in milliliters (mL) or liters (L). Its design pertains to spatial capacity, not temporal duration.D) Triple beam balanceA triple beam balance is a mechanical mass-measuring instrument. It consists of a platform on which an object is placed and three sliding weights (beams) that move along calibrated scales. The user adjusts these weights to balance the object's mass against known masses. The sum of the positions of the weights gives the mass in grams. Its function is to determine the quantity of matter, independent of time.Conclusion:While a barometer measures pressure, a graduated cylinder measures volume, and a triple beam balance measures mass, only the stopwatch is fundamentally designed and calibrated for the sole purpose of measuring the passage of time. Its mechanism, from its oscillator to its display, is dedicated to quantifying temporal intervals.

Time is measured using a

A
barometer.

B
stopwatch.

C
graduated cylinder.

D
triple beam balance.

Time is measured using a stopwatch.

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Time is measured using a

A barometer. B stopwatch. C graduated cylinder. D triple beam balance.

Time is measured using a stopwatch.

Topic Flashcards

Mini Quiz

Related Questions

A
barometer.

B
stopwatch.

C
graduated cylinder.

D
triple beam balance.