Advertisements
Advertisements
प्रश्न
Give an example
Electrical energy changes to heat energy.
एक शब्द/वाक्यांश उत्तर
Advertisements
उत्तर
Electric iron
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
State two factors on which the work done on a body depends.
A water pump raises 50 litres of water through a height of 25 m in 5 s. Calculate the power of the pump required.
(Take g = 10 N kg-1 and density of water = 1000 kg m-3)
Define 1 joule of work.
What are the quantities on which the work done depends?
On what factors does the work done by a force depend?
Complete the following sentences:
Joule is the unit of .......
A moving object of mass 30 kg has 60 J of kinetic energy. What is its speed?
Name the physical quantity associated with the 'rate of doing work'.
Name the CGS unit of work.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
Suma is swimming in a pond.
