Which of the following is true about lasers? a. all lasers are extremely dangerous. b. a single laser beam has many different wavelengths. c. lasers have many uses in medicine. d. laser measurements tend to be inaccurate.

kyllow5644   ·   26.07.2019 02:30
ANSWER(S): 1 Show answers 7 Сomment
ANSWER(S)
answered: cristian691023
08.07.2019 10:00

continuous conducting path for current, power supply

answered: gldven7636
01.07.2019 23:00
Centrapedial force is the answer
answered: klmklm3799
01.07.2019 02:30

where are the vectors ?

answered: annalee15
31.05.2020 06:17
Lasers have many helpful uses in medicine.

Other questions on the subject: Physics

On average 8 bananas make up one pound. the price is four pounds for 5.00. you must buy 25 bananas. what is your cost?...
Physics
22.06.2019 19:00
1 answer(s)
22. the top of a cliff is located a distance h above the ground. at a distance h/2 there is a branch that juts out from the side of the cliff, and on this branch a bird's nest is l...
Physics
22.06.2019 19:40
How much hereditary information is contain in a human sex cell...
Physics
23.06.2019 06:50
1 answer(s)
Aseries circuit has a battery and resistor and a light bulb with a power of 3.0 w if the current in the circuit is 0.90 a over a period of 20 seconds what is the voltage across a l...
Physics
23.06.2019 07:20
1 answer(s)
Suppose your surface body temperature averaged 90 degrees f. how much radiant energy in w/m^2 would be emitted from your body?...
Physics
23.06.2019 10:30
1 answer(s)
Acarpenter is driving a 15.0-g steel nail into a board. his 1.00-kg hammer is moving at 8.50 m/s when it strikes the nail. half of the kinetic energy of the hammer is transformed i...
Physics
23.06.2019 13:30
1 answer(s)
What physical characteristic does the moment of inertia of a rotating object most directly and accurately measure? radius mass momentum rotational inertia...
Physics
23.06.2019 15:30
1 answer(s)
Observation or inference? 1. the container is filled to the 350ml mark with water 2. the sun rose at 6: 54 this morning. 3. the caterpillar did not eat the moth because it is n...
Physics
23.06.2019 19:00
1 answer(s)
Adrop of water of radius 0.01 m is falling through a medium whose density is 1.21 kg / m^3 and the coefficient of viscosity 1.85 x 10^-5nsm^3. find the terminal velocity of the dr...
Physics
23.06.2019 19:30
Consider three resistors with unequal resistances connected in parallel to a battery. which of the following statements are true? check all that apply: the current flowing throug...
Physics
23.06.2019 22:30
2 answer(s)
What are the six steps of the scientific method?...
Physics
23.06.2019 22:40
Does electrons have more mass than neutrons?...
Physics
24.06.2019 01:50
Top questions today