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Recent questions tagged heat and temperature
+3
votes
1
answer
A metre scale is made up of steel and measures correct length at 16°C. What will be the percentage error if this scale is used
asked
Apr 2, 2019
in
Class 12
by
kratos
class-12
heat and temperature
+3
votes
1
answer
The electrical resistance of healthy man is
asked
Mar 31, 2019
in
Class 12
by
kratos
neet
heat and temperature
aiims
class-7
mineral metabolism
+1
vote
1
answer
In figure, AB is a wire of length 100 cm whose resistance is 5Ω .If galvanometer reads zero, the current flowing in the wire AB is :
asked
Mar 29, 2019
in
JEE
by
kratos
heat and temperature
magnetic effects of electric current
jee
jee mains
electric circuits
magnetism
class-12
current electricity
+1
vote
1
answer
Write two precautions you take, while observing Rhizopus in the laboratory.
asked
Mar 23, 2019
in
Class 10
by
kratos
air
heat and temperature
cbse
class-6
atmosphere
class-10
class-7
icse
the human eye and the colourful world
equipments
common laboratory apparatus
+3
votes
1
answer
Explain why the rate of photosynthesis in plants is low both at lower and higher temperatures.
asked
Mar 18, 2019
in
Class 12
by
kratos
neet
heat and temperature
life processes
thermal properties of matter
csat
class-11
aiims
physical-geography
class-7
class-10
+1
vote
1
answer
For a constant volume gas thermometer, one should fill the gas at
asked
Mar 17, 2019
in
Class 12
by
kratos
class-12
heat and temperature
+2
votes
1
answer
A certain amount of heat Q will warm 1g of material X by 3°C and 1g of material Y by 4°C.
asked
Mar 15, 2019
in
Class 10
by
kratos
specific heat capacity
calorimetry
heat and temperature
latent heat
class-10
icse
class-7
+3
votes
1
answer
A circular **** in an aluminium plate is 2.54 cm in diameter at 0°C. What is the diameter when the temperature of the plate is raised to 100°C ?
asked
Mar 11, 2019
in
Class 12
by
kratos
neet
heat and temperature
thermal properties of matter
class-11
jee
aiims
thermodynamics
jee mains
class-12
+1
vote
1
answer
A wire of cross sectional area 3mm^2 is just stretched between two fixed points at a temperature of 20°C.
asked
Mar 8, 2019
in
Class 12
by
kratos
mechanical properties of solids
heat and temperature
electricity
class-11
class-10
icse
class-12
+1
vote
1
answer
Consider the following statements. (A) The coefficient of linear expansion has dimension K^-1.
asked
Mar 7, 2019
in
Class 12
by
kratos
csat
class-7
class-12
heat and temperature
+1
vote
1
answer
A Thick glass tumbler often craks when boiling water is poured into it why?
asked
Feb 28, 2019
in
Class 11
by
kratos
heat and temperature
class-8
thermal properties of matter
class-11
class-6
class-7
heat
+3
votes
1
answer
What are the precautions to be taken while using a clinical thermometer.
asked
Feb 25, 2019
by
kratos
class-7
heat and temperature
heat
cbse
+3
votes
1
answer
A brass wire 1.8 m long at 27 °C is held taut with little tension between two rigid supports. If the wire is
asked
Feb 25, 2019
in
JEE
by
kratos
waves
heat and temperature
thermal properties of matter
class-11
jee
jee mains
class-12
+1
vote
1
answer
A copper rod and a steel rod are heated. At 0°C, the copper rod has a length LC and the steel one has a length LS .
asked
Feb 17, 2019
in
JEE
by
kratos
mechanical properties of solids
heat and temperature
class-11
jee
jee mains
heat and thermodynamics
class-12
+3
votes
1
answer
Marble tiles feel colder than a carpet though both of them are at the same temperature - give reason.
asked
Feb 15, 2019
in
Class 11
by
kratos
heat and temperature
thermal properties of matter
transfer of heat
class-11
class-7
+1
vote
1
answer
Mention the two precaution to determine the boiling point of water in laboratory.
asked
Feb 14, 2019
in
Class 12
by
kratos
isc
heat and temperature
class-9
class-7
class-10
icse
consumption and investment functions
world of microbes
class-12
+3
votes
1
answer
A railway track (made of iron) is **** in winter when the average temperature is 18°C.
asked
Feb 12, 2019
in
Class 12
by
kratos
csat
class-7
class-12
heat and temperature
+1
vote
1
answer
A spinning wheel A is brought in contact with another wheel E initially at rest.
asked
Feb 8, 2019
in
Class 12
by
kratos
class-11
class-7
class-12
heat and temperature
+3
votes
1
answer
A steel rod is clamped at its two ends and rests on a fixed horizontal base. The rod is unstrained at 20°C.
asked
Feb 4, 2019
in
Class 12
by
kratos
class-12
heat and temperature
+2
votes
1
answer
Assertion : When hot water is poured in a beaker of thick glass, the beaker cracks.
asked
Jan 22, 2019
in
Class 11
by
kratos
class-11
class-7
class-8
heat
class-6
thermal properties of matter
heat and temperature
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