Subject :NSO Class : Class 7
In an experiment shown in figure, the water near the top of the tube starts boiling but the wax in the test tube does not melt completely. What do you conclude?
A Convection cannot occur in water.
B Water is a poor conductor of heat.
C Wax is a bad radiator of heat.
D Heat is not reaching at the bottom of the test tube as tube is made of insulator.
Ans 1:
Class : Class 8
Ans 2:
Class : Class 8
Ans 3:
Class : Class 8
i am NOT ABLE TO UNDERSTAND. There is no solution given.
Ans 4:
Class : Class 9
Ans 5:
Class : Class 10
WHY?
Ans 6:
Class : Class 7
NA
Ans 7:
Class : Class 8
b is the ans . this activity shows that heat doesnt reach wax ie water is bad conducyor
Ans 8:
Class : Class 9
what
Ans 9:
Class : Class 10
Water does not allow the heat to pass through to the wax. it proves that water is a bad conductor of heat.
Ans 10:
Class : Class 7
No solution is provided for this question.
Ans 11:
Class : Class 6
Ans 12:
Class : Class 8
Ans 13:
Class : Class 7
ans is B that water is a poor conductor of heat
Ans 14:
Class : Class 10