Question

2 स्टॉप वाच का प्रयोग वैज्ञानिक प्रवन्ध के किस सिद्धान्त के अन्तर्गत किया
जाता है?
In which principle of scientific management is used the​

Answer 1

Answer:

Stop watch is used to measure the time interval between the activity and inactivity. Or u can say to measure the that elapses between the its activation and deactivation.