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
Write true or false of the following statement.
In an electric fan, electrical energy changes into the mechanical energy.
Fill in the blank
An electric fan converts electrical energy into ______ energy.
Fill in the blank
The S.I.unit of energy is ______
Answer the following in short.
What do you understand by the term efficiency of a machine’?
Can you tell?
When can we say that displacement has taken place?
Can you tell?
What should be taken into account for measuring work?
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?
When a body falls freely towards the earth, then its total energy
Which one of the following is not the unit of energy?
The weight of a person on planet A is about half that on the earth. He can jump up to 0.4 m in height on the surface of the earth. How high he can jump on planet A?
