Question

11.
If 500 Joules of heat is added to 15 gm of iron, the rise in
temperature will be
(a) 70.92°C
(b) 59.44°C
(C) 79.44°C
(d) 89.44°C

12.How much heat is needed to the raise the temperature of
200 gm of water from 10°C to 90°C?
(a) 6.72 x 104 J
(b) 6.72 x 102J
(c) 6.72 x 106 J
(d) 6.72 x 107J

Answer 1

Answer:

11. option (c).

12 . option (b)