});
Warning: Cannot assign an empty string to a string offset in H:\root\home\aninesoft-002\www\wajedword\wp-includes\class.wp-scripts.php on line 447
GK-Objective Questions- Physics-Heat

GK-Objective Questions- Physics-Heat

Dear Readers,
We are presenting Physics Questions for upcoming
RRB /SSC Exams. We will more questions in forthcoming posts.

PHYSICS – TOPIC WISE OBJ. QUESTIONS ON HEAT    SET-2

SL NO. QUESTIONS OPTIONS ANSWERS
1) When pressure on piece of ice is increased its melting point a)decreases
b)increases
c)remain unchanged
d)first increases & then decreases
b
2) The mode of propagation of heat from the Sun to the Earth is a)conduction alone
b)convection alone
c)radiation alone
d)convection & radiation
c
3) Air is blown over a hot body to cool it . This would increases the rate of heat loss by a) conduction
b) convection & radiation
c) convection
d) convection & conduction
c
4) Paraffin wax contracts on solidification . The melting point of wax will be a)not change with pressure
b)decreases with pressure
c)increase with pressure
d)None of these
c
5) Thermodynamics mostly deals with a)conversion of heat into other forms of energy
b)transfer of heat
c)change of state
d)None of these
a
6) At what temperature F & C scales will have same value a)-30°
b)-60°
c)-80°
d)–40°
d
7) Transfer of heat energy from the sun to the moon takes place by a)radiation only
b)radiation & conduction
c) radiation & convection
d) None of these
a
8) Using which mode of heat transfer ,can heat travel through vacuum ? a) conduction
b) radiation
c) convection
d) None of these
b
9) A person standing before a furnace receives most of the heat by a) conduction
b) radiation
c) convection
d) None of these
b
10) How can boiling point of a liquid be reduced a)By adding a solid of lower melting point
b)By dissolving a soluble solid in it
c)By increasing the pressure on the liquid
d)By decreasing the pressure on the liquid
d
(Visited 483 times, 3 visits today)
Hello World

Be the first to comment on "GK-Objective Questions- Physics-Heat"

Leave a comment

Your email address will not be published.


*