refers to a type of brain wave indicating a state of relaxation or calmness

तंत्रिका तरंग

English Usage: Alpha activity is often associated with being awake but relaxed.

Hindi Usage: अल्फा गतिविधि को जाग्रत लेकिन शांत होने से जोड़ा जाता है।

the condition of being active or engaged in a task

सक्रियता

English Usage: Regular physical activity is essential for good health.

Hindi Usage: नियमित शारीरिक गतिविधि अच्छे स्वास्थ्य के लिए आवश्यक है।

denoting the first or primary in a sequence

प्राथमिक

English Usage: He took the alpha position in the project team.

Hindi Usage: उसने परियोजना टीम में प्राथमिक स्थिति अपनाई।

a specific deed, action, or task

कार्य

English Usage: The main activity of the day was the workshop.

Hindi Usage: दिन की मुख्य गतिविधि कार्यशाला थी।