हिंदी
Maharashtra State BoardSSC (English Medium) 10th Standard

Unit of Heat

Advertisements

Topics

  • Key Points: Unit of Heat
Maharashtra State Board: Class 10

Key Points: Unit of Heat

  • SI unit of heat is Joule (J); CGS unit is calorie (cal).
  • 1 cal = heat to raise 1 g of water by 1°C (14.5°C to 15.5°C).
  • 1 kcal = heat to raise 1 kg of water by 1°C; 1 kcal = 1000 cal.
  • The required heat may vary slightly outside the defined temperature range.
  • 1 cal = 4.18 J; named after James Prescott Joule, who linked heat to energy.
Advertisements
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×