State with reason(s) whether the following statements are True [T] or False [F] Heat transfer takes place in solids Class 7
hardState with reason(s) whether the following statements are True [T] or False [F]. Heat transfer takes place in solids Class 7
State with reason(s) whether the following statements are True [T] or False [F]. Class 7
(i) Heat transfer takes place in solids through convection.
Answer:
False
Heat transfer takes place in solids through conduction. In this process, the particle that gets heated, passes the heat on to its neighbour. The particles themselves do not move from their positions.
(ii) Heat transfer through convection takes place by the actual movement of particles.
Answer:
True
(iii) Areas with clay materials allow more seepage of water than those with sandy materials.
Answer:
False
Areas with particles of gravel allow more see page of water as the space or pores between the particles of gravel is more as compared to sandy materials.
(iv) The movement of cooler air from land to sea is called land breeze.
Answer:
True