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प्रश्न
Write true or false of the following statement.
One form of energy cannot be converted into another form.
विकल्प
True
False
उत्तर
False.
One form of energy can be converted into the other form.
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संबंधित प्रश्न
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 |
Answer the following in a word or two or in a sentence.
Write the formula for calculating the efficiency of a machine.
Define the term 'watt'.
Name the quantity whose unit is :
(a) kilowatt
(b) kilowatt-hour
Can you tell?
When can we say that displacement has taken place?
We make useful objects from a variety of substances. Another use of substances is that we get energy from some of them.
There is a car. Its tank is full of fuel but it does not move. Why is that?
Running water possesses ______.
What energy transfer happen in a car engine?
Which one of the following is not the unit of energy?
Define kilowatt hour.
