Advertisements
Advertisements
Question
Fill in the blank
The S.I.unit of energy is ______
Solution
The S.I.unit of energy is joule
APPEARS IN
RELATED QUESTIONS
Write true or false of the following statement.
In an electric fan, electrical energy changes into the mechanical energy.
Select the correct alternatives
When a bulb lights up on passing current, the change of energy is
What is potential energy ? State its unit.
State two factors on which the potential energy of a body at a certain height above the ground depends.
Answer the following in a word or two or in a sentence.
Write the formula for calculating the efficiency of a machine.
How many joules are there in one kilowatt-hour?
A certain household consumes 650 units of electricity in a month. How much is this electricity in joules?
Observe the picture and put a tick (✓) if work is done and put a cross (x) if work is not done.
 |
 |
 |
 |
 |
 |
Define 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?
