Advertisements
Advertisements
प्रश्न
Write true or false of the following statement.
One form of energy cannot be converted into another form.
पर्याय
True
False
Advertisements
उत्तर
False.
One form of energy can be converted into the other form.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
An electric fan converts electrical energy into ______ energy.
Fill in the blank
Cooking gas converts _______ energy into heat energy.
Fill in the blank
The ability to do work is called ______
Fill in the blank
The S.I.unit of energy is ______
Define the term efficiency of a machine.
Answer the following in a word or two or in a sentence.
Write the formula for calculating the efficiency of a machine.
If the energy of a ball falling from a height of 10 metres is reduced by 40%, how high will it rebound?
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?
Observe the picture and put a tick (✓) if work is done and put a cross (x) if work is not done.
 |
 |
 |
 |
 |
 |
What energy transfer happen in a car engine?
