When a substance is melted, it's temperature doesn't rise because
A) energy is lost somewhere
B) energy is used to break the bonds
C) energy is used to make bonds
D) energy is absorbed to make bonds
Correct Answer:
Verified
Q1: On heating a solid, as the separation
Q2: Temperature can't be lower than
A)0 °C
B)0 °F
C)0
Q4: As the object gains speed, it's G.P.E
Q5: If energy loss is zero then decrease
Q6: Average power of all activities of our
Q7: Change in G.P.E can be written as
A)mgh
B)mh
C)mg
D)gh
Q8: Efficiency of car engine is only about
A)10%
B)20%
C)30%
D)80%
Q9: Work is defined as
A)F × S
B)F ×
Q10: Energy transferred to stone of weight 10
Q11: If force of 1 N moves an
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