All forms of energy follow a universal law known as 'Law of Conservation of Energy' which states that 'energy can neither be created nor be destroyed, but transforms from one from to another. This implies that all forms of energy are inter-convertible. The process of change of one form of energy into another is called as energy transformation. Some examples of these inter- conversions are given below:
1. Consider a ball falling from the top floor of a building. Initially, it has potential energy due toits height. As the ball falls, the potential energy changes to kinetic energy due to its motion and when it strikes the ground, the kinetic energy changes to sound and heat energy.
2. In the process of photosynthesis, plants convert the light energy of the Sun into chemical energy in the form of food.
3. Bulbs, tubelights etc. convert electrical energy into light energy.
4. Automobile engine, fans, electric motors etc. convert electrical energy to mechanical energy.
5. Microphones convert sound energy to electrical energy.
6. Loud speakers convert electrical energy to sound energy.
7. In solar cells, the light energy gets converted to electrical energy.
8. In electromagnets, the electrical energy is converted to magnetic energy.
9. Charging of battery converts electrical energy to chemical energy.
10. Batteries and cells convert chemical energy to electrical energy.
The law of conservation of energy is a fundamental principle in physics. It states that energy cannot be created or destroyed in an isolated system; instead, it can only change from one form to another. In other words, the total energy in a closed system remains constant over time.
Explanation:
This law is a cornerstone of physics and has several key implications:
1. **Energy Transformation:** Energy can change from one form to another. For example, potential energy can be converted into kinetic energy, and vice versa.
2. **Efficiency:** In real-world systems, some energy is often lost to friction, heat, or other factors. As a result, the total usable energy may decrease, even though the total energy remains constant.
3. **Conservation of Energy:** The total energy of an isolated system is conserved. This principle allows physicists and engineers to analyze and predict the behavior of systems, from simple mechanical devices to complex electrical circuits.
4. **Applications:** The law of conservation of energy is applied in various scientific and engineering fields, including mechanics, thermodynamics, electricity, and magnetism. It underlies many technological innovations and is crucial for understanding the behavior of the universe at both macroscopic and microscopic scales.
In summary, the law of conservation of energy is a fundamental concept in physics that states that energy is neither created nor destroyed but instead changes from one form to another. This law plays a vital role in our understanding of the physical world and is a key principle in the development of scientific and technological advancements.
Answers & Comments
Answer:
your answer
Explanation:
All forms of energy follow a universal law known as 'Law of Conservation of Energy' which states that 'energy can neither be created nor be destroyed, but transforms from one from to another. This implies that all forms of energy are inter-convertible. The process of change of one form of energy into another is called as energy transformation. Some examples of these inter- conversions are given below:
1. Consider a ball falling from the top floor of a building. Initially, it has potential energy due toits height. As the ball falls, the potential energy changes to kinetic energy due to its motion and when it strikes the ground, the kinetic energy changes to sound and heat energy.
2. In the process of photosynthesis, plants convert the light energy of the Sun into chemical energy in the form of food.
3. Bulbs, tubelights etc. convert electrical energy into light energy.
4. Automobile engine, fans, electric motors etc. convert electrical energy to mechanical energy.
5. Microphones convert sound energy to electrical energy.
6. Loud speakers convert electrical energy to sound energy.
7. In solar cells, the light energy gets converted to electrical energy.
8. In electromagnets, the electrical energy is converted to magnetic energy.
9. Charging of battery converts electrical energy to chemical energy.
10. Batteries and cells convert chemical energy to electrical energy.
Verified answer
Answer:
The law of conservation of energy is a fundamental principle in physics. It states that energy cannot be created or destroyed in an isolated system; instead, it can only change from one form to another. In other words, the total energy in a closed system remains constant over time.
Explanation:
This law is a cornerstone of physics and has several key implications:
1. **Energy Transformation:** Energy can change from one form to another. For example, potential energy can be converted into kinetic energy, and vice versa.
2. **Efficiency:** In real-world systems, some energy is often lost to friction, heat, or other factors. As a result, the total usable energy may decrease, even though the total energy remains constant.
3. **Conservation of Energy:** The total energy of an isolated system is conserved. This principle allows physicists and engineers to analyze and predict the behavior of systems, from simple mechanical devices to complex electrical circuits.
4. **Applications:** The law of conservation of energy is applied in various scientific and engineering fields, including mechanics, thermodynamics, electricity, and magnetism. It underlies many technological innovations and is crucial for understanding the behavior of the universe at both macroscopic and microscopic scales.
In summary, the law of conservation of energy is a fundamental concept in physics that states that energy is neither created nor destroyed but instead changes from one form to another. This law plays a vital role in our understanding of the physical world and is a key principle in the development of scientific and technological advancements.