Page 1 - THERMAL PROPERTIES OF MATTER#141511110121

ASSIGNMENT

1

(a)80

(b)75

(c)70

(d)25

2

(a)1

(b)3

(c)2

(d)4

3

o
(a) – 20 C

o
(b) – 30 C
o
(c) –40 C
o
(d) – 50 C
4 A piece of blue glass heated to a high temperature and a piece of red glass at room temperature , are
taken inside a dimly lit room

(a)the blue glass will look blue and red will look as usual

(b)red looks brighter red and blue looks ordinary blue

(c)blue shines like brighter red compared to the red piece

(d)both the pieces will look equally red

5 The predominant mechanism for heat transfer inside a human body is______________.

2
6 The rate of loss of heat through a glass window of area 1000 cm and thickness 0.4 cm when temperature
o
o
inside is 37 C and outside is -5 C is________________________.