NCERT Exemplar Solutions Class 7 Science Solutions for Heat - Exercise in Chapter 4 - Heat

Question 25 Heat - Exercise

A circular metal loop is heated at point O as shown in Figure 4.6.

Question 25 Image - NCERT Exemplar Solutions - Science - class 7 chapter Heat

i) In which direction would heat flow in the loop?

(ii) In which order the pins at points P,Q and R fixed with the help of wax fall if points O, P, Q and R are equidistant from each other?


i) The heat will flow in both the directions i.e. from O to P and O to R.

ii) At first the pins at R and P will fall simultaneously followed by the pin at Q.

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