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Rufina [12.5K]
3 years ago
13

Lasers emit light of a certain frequency in one, precise direction. The light that a laser emits can be tuned to have a high fre

quency and energy. Lasers that emit high-energy light are often used
Physics
2 answers:
makkiz [27]3 years ago
8 0

Answer:

An ultra intense laser is one with which intensities greater than 1015 W cm-2 can be achieved.

Explanation:

This intensity, which was the upper limit of lasers until the invention of the Chirped Pulse Amplification, CPA technique, is the value around which nonlinear effects on the transport of radiation in materials begin to appear.

Currently, the most powerful lasers reach intensities of the order of 1021W cm-2 and powers of Petawatts, PW, in each pulse. This range of intensities has opened the door for lasers to a multitude of disciplines and scientific areas traditionally reserved for accelerators and nuclear reactors, applying as generators of high-energy electron, ion, neutron and photon beams, without the need for expensive infrastructure.

KengaRu [80]3 years ago
5 0

Answer:

b. as scalpels in surgical procedures.

Explanation:

Lasers are useful in clinicals for soft tissue surgery. It is used to cut, ablate, vaporize, and coagulate. There are several different laser wavelengths used in soft tissue surgery. Different laser wavelengths and device settings (such as pulse duration and power) produce different effects on the tissue.

It focuses a narrow beam and creates high-intensity light. This function; ability to focus very accurately on tiny areas, they can be used for very precise surgical work or for cutting through tissue (in place of a scalpel).

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If a 10kg block is at rest on a table and a 1200N force is applied in the eastward direction for 10 seconds, what is the acceler
gavmur [86]

Answer:

a = 120 m/s²

Explanation:

We apply Newton's second law in the x direction:

∑Fₓ = m*a Formula (1)

Known data

Where:

∑Fₓ: Algebraic sum of forces in the x direction

F: Force in Newtons (N)

m: mass (kg)

a: acceleration of the block (m/s²)

F = 1200N

m = 10 kg

Problem development

We replace the known data in formula (1)

1200 = 10*a

a = 1200/10

a = 120 m/s²

6 0
3 years ago
You have 0.5 l of air at a pressure of 203 kpa and -70°c in a rigid, sealed contaainer. what is the absolute tempertaure of the
ANTONII [103]
From the information given and if the question is complete then;
Absolute temperature is the temperature in Kelvin
To convert degree Celsius to kelvin we normally add 273
that is Kelvin = deg Celsius + 273
Thus since we have been given that the air was at -70 degrees celcius;
then; - 70° C  + 273 = 203 K
 Therefore; the absolute temperature is 203 K 

5 0
2 years ago
What is one way to lower gravitational potential energy?
il63 [147K]

Answer:

decrease the height

Explanation:

height is directly proportional to the g.p.e

4 0
2 years ago
which religious group did not expand their membership by great numbers during the Second Great Awakening
Dimas [21]

Answer:

The Catholics.

Explanation:

see answer.

4 0
2 years ago
Psychological profiling is also known as criminal profiling. True or False?
Nikolay [14]
So my opinion that is false bc. the psychological profiling not is necessary being as criminal profiling ,the criminal mean a greater,intensive word in the way of ,,killer" ,when the ,,psychological" profile is total different way 

hope helped 
8 0
3 years ago
Read 2 more answers
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