Question

Which conversion is numerically correct for heat energy?

Options

• 1 cal = 4.184 J

• 1 J = 4.184 cal

• 1 cal = 10^7 erg

• 1 J = 4.184 erg

Answer 1

1 cal = 4.184 J

Explanation:

1 cal = 4.184 J (unit conversion used in heat problems).