An immersed body is buoyed up by a force equal to the weight of the fluid displa

Question

An immersed body is buoyed up by a force equal to the weight of the fluid displaces. This relationship is called (a) Archimedes' principle. (b) Pascal's principle. (c) Bernoulli's principle (d) Boyle's law What is the unit for Heat Energy in the SI system? Name the method of heat transfer responsible for: a) heat transferred from the sun to the earth. Name the method of heat transfer responsible for a rising plume of smoke from a fire. Name the method of heat transfer responsible for: a metal spoon heating up when placed in a pot of hot soup. Choose the BEST answer to each of the following ways in which heat is transferred The transfer of thermal energy by molecular and electron collisions within a substance. The transfer of thermal energy in a gas or liquid by means of currents in the heated fluid. The transfer of energy by means of electromagnetic waves.

Explanation / Answer

Question 6) option a) Archimedes principle

Reason : Archimedes principle states that any body submerged in a fluid (g at rest is acted upon by buoyant force whose magnitude is equal to the weight of the fluid displaced

Question 7) The SI unit heat energy is joule (J)

Question 8) Radiation is the method of heat transfer from sun to earth

Question 9) convection is the heat transfer method

Question 10) conduction is the heat transfer method

11) conduction heat transfer method

12) convection heat transfer method

13) radiation heat transfer method

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