tick the correct answer
3. Heat is transmitted in liquids by the process
of :
(a) conduction (b) convection
(c) radiation
(d) both conduction and convection
4. The top surface of a liquid behaves like
stretched membrane because :
(a) The molecules below the top surface
exert upward pressure
(b) The molecules are attracted more to
the sides of the containing vessel.
(c) the molecules below the top surface
attract the molecules above
(d) none of these
5. The meniscus formed by mercury in a test
tube is :
(a) convex
(b) concave
(c) no meniscus is formed
un the
gas
(d) none of these
Answers
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Answer:
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Answered by
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Answer:
3. (b) convection
4. (c) the molecules below the top surface attract the molecules above
5. (a) convex
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