A lab technician needs to clean medical instruments that have been exposed to bacteria. Which electromagnetic wave

Physics

1 answer:

sveta [45]3 years ago

3 0

Answer:

Ultraviolet wave

Explanation:

Ultraviolet waves would be best used to sterilize a surface expose to bacteria because it will completely destroy them.

Most medical equipment are usually sanitized by using this rays because the DNA of most bacteria can be innervated upon exposure to these ray.

Ultraviolet rays are energetic and more powerful than the normal visible light and subsequent long wavelength radiations.

Generally, ultraviolet rays is a very harmful electromagnetic radiation.

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A crate of oranges is shoved across a grocery store floor with a force of 100 N for a distance of 1 meter. The crate travels an

navik [9.2K]

The statements that are true are;

the magnitude of work done by frictional forces on the crate is 100 J
the magnitude of work done by the applied force on the crate is 100 J

Work is said to be done when te force applied travels a distance in the direction of the force. Now we can see that when the force is applied by shoving the crate, work is done, an additional work is done by friction to bring the crate to a stop.

Hence, the following are true;