DEFINE THE FOLLOWING
1] Photosynthesis
2] Conduction
3] Work
Answers
Answer:
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Explanation:
Photosynthesis
it is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities...
Conduction..
conduction is the transfer of internal energy by microscopic collisions of particles and movement of electrons within a body. The colliding particles, which include molecules, atoms and electrons, transfer disorganized microscopic kinetic and potential energy, jointly known as internal energy. ..
Work
In physics, work is the energy transferred to or from an object via the application of force along a displacement. In its simplest form, it is often represented as the product of force and displacement
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1. Photosynthesis
Photosynthesis is a process by which phototrophs convert light energy into chemical energy, which is later used to fuel cellular activities. The chemical energy is stored in the form of sugars, which are created from water and carbon dioxide. Phototrophs have a green pigment called chlorophyll that allows them to carry out photosynthesis. Phototrophs include green plants and chlorophyll-containing microorganisms like algae and some bacteria like cyanobacteria.
2. Conduction
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Conduction refers to the transfer of energy through the movement of particles that are in contact with each other.
There are three types of conduction in physics:
(i) Heat Conduction
Heat conduction (or thermal conduction) is the transfer of energy from a warmer substance to a colder one through direct contact, such as someone touching the handle of a hot metal skillet.
(ii) Electrical Conduction
Electrical conduction is the transfer of electrically charged particles through a medium, such as electricity traveling through the power lines in your house.
(iii) Sound Conduction
Sound conduction (or acoustic conduction) is the transfer of sound waves through a medium, such as vibrations from loud music passing through a wall.
3. Work
The scientific definition of work is different in many ways from its everyday meaning. The definition of work in physics reveals its relationship to energy – whenever work is done, energy is transferred.
For a work to be done, in a scientific sense, a force must be exerted and there must be displacement in the direction of the force. With this said, we can say that work is the product of the component of the force in the direction of the displacement and the magnitude of this displacement.
Mathematically, the above statement is expressed as follows:
W = (F cos θ) d = F. d