AP POLYCET
Section — A
PHYSICS
51) 1 cal =
A) 1000J
B) 273.15J
C) 80J
D) 4.18J
52) Which among the following behaves like hear store house for the earth?
A) Trees
B) Minerals
C) Factories
D) Oceans
53) Pick the correct match
| a) water | (i) 483 |
| b) Glass | (ii) 4180 |
| c) Iron | (iii) 504 |
A) A-(ii),B-(iii),C-(i)
B) A-(i),B-(iii),C-(ii)
C) A-(iii),B-(i),C-(ii)
D) A-(ii),B-(i),C-(iii)
54) Formulation of dew on the surface of a cold soft drink bottle kept in air is due to
A) Evaporation
B) Melting
C) Condensation
D) Freezing
55) The heat energy supplied to a system during melting is known as
A) specific heat
B) latent heat of vaporization
C) latent heat of fusion
D) humidity