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Different forms of energy - class-XI

Question 1 of 88

A helicopter takes off from the ground and rises vertically. It then hovers at a constant height
above the ground.
Which sequence of energy changes takes place during the gain in height?

  1. $Chemical \rightarrow gravitational\ potential\rightarrow kinetic$
  2. $Chemical \rightarrow kinetic \rightarrow gravitational\ potential$
  3. $Gravitational\ potential \rightarrow chemical \rightarrow kinetic$
  4. $Kinetic \rightarrow chemical \rightarrow gravitational\ potential$

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