हिंदी
तमिलनाडु बोर्ड ऑफ सेकेंडरी एज्युकेशनएसएसएलसी (अंग्रेजी माध्यम) कक्षा ५

Running water possesses ______.

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प्रश्न

Running water possesses ______.

विकल्प

  • potential energy

  • chemical energy

  • kinetic energy

  • sound energy

MCQ
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उत्तर

Running water possesses kinetic energy.

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अध्याय 3: Energy - Evaluation [पृष्ठ १२८]

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सामाचीर कलवी Science - Term 1 [English] Class 5 TN Board
अध्याय 3 Energy
Evaluation | Q I 2. | पृष्ठ १२८

संबंधित प्रश्न

Fill in the blank

The S.I.unit of energy is ______


Match the following columns

COLUMN A  COLUMN B
1. Running water  1. heat energy 
2. Burning  2. vibrations 
3.Energy  3.atom bomb
4.Sound energy  4.kinetic energy 
5.Nuclear energy  5.joule

State the unit of energy and define it.


What do you mean by conservation of mechanical energy? State the condition when does it hold.


Tick the most appropriate answer.

The force applied on a machine to do work is called the


What is the common name of '1 kWh' of electrical energy?


Study the following activity and answer the questions.
  1. Take two aluminium channels of different lengths.
  2. Place the lower ends of the channels on the floor and hold their upper ends at the same height.
  3. Now take two balls of the same size and weight and release them from the top end of the channels. They will roll down and cover the same distance.
Questions:
  1. At the moment of releasing the balls, which energy do the balls have?
  2. As the balls roll down which energy is converted into which other form of energy?
  3. Why do the balls cover the same distance on rolling down?
    Note: The question is wrong. It should be "Why do the balls cover the same distance after rolling down"?
  4. What is the form of the eventual total energy of the balls?
  5. Which law related to energy does the above activity demonstrate? Explain.

Observe the picture and put a tick (✓) if work is done and put a cross (x) if work is not done.


Which one of the following is not the unit of energy?


The work done on an object does not depend upon the


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