Get premium membership and access questions with answers, video lessons as well as revision papers.
It says that if the thermal energy dQ is added to a fluid then the thermal energy is used partially increasing the internal energy of the fluid say by dE and partially is doing work say by dW against pressure of the fluid. dQ=dE+dW. =dE+pdv
lily nekesa answered the question on November 18, 2017 at 12:12
- State Kelvin's circulation theorem(Solved)
State Kelvin's circulation theorem
Date posted: November 18, 2017. Answers (1)
- The magnetic momentum of a free electron has three principal sources, state them(Solved)
The magnetic momentum of a free electron has three principal sources, state them.
Date posted: November 18, 2017. Answers (1)
- Give the assumptions of the Einstein's Theory of specific heat(Solved)
Give the assumptions of the Einstein's Theory of specific heat
Date posted: November 18, 2017. Answers (1)
- State the paradox in Drude's Free electron model and explain how this paradox was removed.(Solved)
State the paradox in Drude's Free electron model and explain how this paradox was removed.
Date posted: November 18, 2017. Answers (1)
- Why are metals better conductors of heat than non metals?(Solved)
Why are metals better conductors of heat than non metals?
Date posted: November 18, 2017. Answers (1)
- State the properties of magnetic field lines(Solved)
State the properties of magnetic field lines.
Date posted: November 16, 2017. Answers (1)
- State Bohr's three postulates (Solved)
Its a modern physics question,for degree students
Date posted: November 13, 2017. Answers (1)
- Distinguish between spherical aberration and chromatic aberration(Solved)
Distinguish between spherical aberration and chromatic aberration
Date posted: November 13, 2017. Answers (1)
- Under which principle does the speed governor work?(Solved)
Under which principle does the speed governor work?
Date posted: November 13, 2017. Answers (1)
- State two advantages of the cloud chamber over a charged gold leaf electroscope when used
as detectors of radiations(Solved)
State two advantages of the cloud chamber over a charged gold leaf electroscope when used
as detectors of radiations
Date posted: November 12, 2017. Answers (1)
- State one advantage of a CRO as a voltmeter over other voltmeters.(Solved)
State one advantage of a CRO as a voltmeter over other voltmeters.
Date posted: November 12, 2017. Answers (1)
- What causes electrical resistance in conductors?(Solved)
What causes electrical resistance in conductors?
Date posted: November 12, 2017. Answers (1)
- State the advantage of generating an Ac supply rather than DC voltage supply in a power station(Solved)
State the advantage of generating an Ac supply rather than DC voltage supply in a power station
Date posted: November 12, 2017. Answers (1)
- State one difference between a chemical reaction and radioactivity.(Solved)
State one difference between a chemical reaction and radioactivity.
Date posted: November 12, 2017. Answers (1)
- State the conditions necessary for a wave incident on a slit to be diffracted(Solved)
State the conditions necessary for a wave incident on a slit to be diffracted
Date posted: November 12, 2017. Answers (1)
- (a) State one similarity and one difference between a concave lens and a convex mirror (b) A lens forms a focused image on a screen...(Solved)
(a) State one similarity and one difference between a concave lens and a convex mirror
(b) A lens forms a focused image on a screen when the distance between the object and the lens is 100 cm. the size of the image is twice that of the object.
(i) What kind of lens was used? Give a reason
(ii) Determine the distance of the image from the lens
(iii) Determine the power of the lens
Date posted: November 12, 2017. Answers (1)
- Differentiate between Faradays law of electromagnetic induction and Lenz law.(Solved)
Differentiate between Faradays law of electromagnetic induction and Lenz law.
Date posted: November 12, 2017. Answers (1)
- Describe how you would charge a gold leaf electroscope by induction method(Solved)
Describe how you would charge a gold leaf electroscope by induction method
Date posted: November 12, 2017. Answers (1)
- Sauce pans have a plastic or wooden handles. It is observed that in the morning the pan feels colder than the wooden handle.
Explain the...(Solved)
Sauce pans have a plastic or wooden handles. It is observed that in the morning the pan feels colder than the wooden handle.
Explain the difference in this observation
Date posted: November 12, 2017. Answers (1)
- Trees planted along a busy road are observed to lean towards the road as they grow. Explain this observation(Solved)
Trees planted along a busy road are observed to lean towards the road as they grow. Explain this observation.
Date posted: November 12, 2017. Answers (1)