HEAT CLASS-10

heat is a form of _______

• water
• light
• rock
• energy

unit of heat in SI

• joule (J)
• ampere (A)
• watt (W)
• newton (N)

relation between Celsius and kelvin scale of temperature is ________

• K=273+C

• K=273-C

• C=K-273

• C=K+273

latent heat of fusion of ice is _______

• 18 cal/gr

• 80cal/gr

• 540cal/gr

• 504cal/gr

ice melts at

• 0 degrees Celsius or 32 degrees Fahrenheit
• 50 degrees Fahrenheit
• 100 degrees Celsius
• 20 degrees Celsius