Solution to Activity 10.14 of NCERT Class 9 Science Chapter 10 Work and Energy

14. Complete Activity 10.14 (Page 121).

• Many of the human activities and the gadgets we use involve conversion of energy from one form to another.

• Make a list of such activities and gadgets.

• Identify in each activity/gadget the kind of energy conversion that takes place.

Answer:

Find the list of such activities and gadgets below along with the kind of energy conversion that takes place that takes place in each:

Driving a Car: Chemical energy is gasoline is converted to mechanical energy.

Cooking Food Using LPG: Chemical energy (LPG) gets converted into thermal energy.

Riding a Bicycle: The rider’s muscular energy is converted into heat energy and kinetic energy.

Watching Television: Electrical energy is converted to light and sound energy.

Turning on A Light Bulb: Electrical energy is converted into light energy and heat energy.

Using a Flashlight: Chemical energy is converted into electrical energy.

Operating a Fan: Electrical energy from the power source is converted into mechanical energy.

“• Many of the human activities and the gadgets we use involve conversion of energy from one form to another.

• Make a list of such activities and gadgets.

• Identify in each activity/gadget the kind of energy conversion that takes place.” – Solved.

Related Links:

Solution to Activity 10.1
Solution to Activity 10.2
Solution to Activity 10.3
Solution to Activity 10.4
Solution to Activity 10.5
Solution to Activity 10.6
Solution to Activity 10.7
Solution to Activity 10.8
Solution to Activity 10.9
Solution to Activity 10.10
Solution to Activity 10.11
Solution to Activity 10.12
Solution to Activity 10.13
Solution to Activity 10.14
Solution to Activity 10.15
Solution to Activity 10.16
Solution to Activity 10.17
Solutions to Chapter 10 Work and Energy

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