Write True Or False In an Electric Fan, Electrical Energy Changes into the Mechanical Energy.

Write true or false of the following statement.

In an electric fan, electrical energy changes into the mechanical energy.

MCQ

चूक किंवा बरोबर

True.

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पाठ 3: Energy - Objective Questions

पाठ 3 Energy
Objective Questions | Q 1.3

Select the correct alternatives

When we rub our hands

Select the correct alternatives

The correct statement is

Match the following:

Name the commercial unit of measurement of energy.

What is the common name of '1 kWh' of electrical energy?

Take two aluminium channels of different lengths.
Place the lower ends of the channels on the floor and hold their upper ends at the same height.
Now take two balls of the same size and weight and release them from the top end of the channels. They will roll down and cover the same distance.

At the moment of releasing the balls, which energy do the balls have?
As the balls roll down which energy is converted into which other form of energy?
Why do the balls cover the same distance on rolling down?
Note: The question is wrong. It should be "Why do the balls cover the same distance after rolling down"?
What is the form of the eventual total energy of the balls?
Which law related to energy does the above activity demonstrate? Explain.

The capacity that an object has for doing work is called ______.

Observe the picture and put a tick (✓) if work is done and put a cross (x) if work is not done.