CTET Solved Paper - UTET April 2015 Paper2
- Option : A
- Explanation : (A) When a body falls freely, the potential energy due to its height converted into kinetic energy due to its motion.
122. Heat energy of an object is
- Option : B
- Explanation : (B) Heat energy or thermal energy of an object is the total thermal kinetic energy and thermal potential energy of all its atoms and molecules. So, we can say that heat energy of an object is the total energy of the molecules of the object
- Option : A
- Explanation : (A) There are six kinds of water molecules can be expected on the earth based on different isotopes of hydrogen and oxygen.
124. Which one of the following acids is present in Vitamin C?
- Option : A
- Explanation : (A) Vitamin C is present citric acid. Infact vitamin C is found in all citric fruits like oranges, musumbi etc.
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