Some Properties of Glass Are Listed Here

Multiple Choice

Some properties of glass are listed here.


A glass window pane is 2.7 m high, 2.4 m wide, and 2.0 mm thick. The temperature at the inner surface of the glass is 22°C and at the outer surface 4.0°C. How much heat is lost each hour through the window under steady state conditions?

A) 1.7 × 10⁸ J
B) 1.7 × 10⁵ J
C) 4.7 × 10⁴ J
D) 4.7 × 10¹ J
E) 1.7 × 10⁶ J