1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
NemiM [27]
3 years ago
7

Fluorescence works because the fluorescent molecule a. absorbs light at one wavelength and emits light at a longer wavelength. b

. absorbs light at one wavelength and emits light at a shorter wavelength. c. absorbs light at one wavelength and emits light at the same wavelength. d. absorbs light at many wavelengths and emits light at many wavelengths.
Physics
1 answer:
erica [24]3 years ago
7 0

Answer:

a. absorbs light at one wavelength and emits light at a longer wavelength.

Explanation:

Fluorescence is a kind of luminescence in which there is the emission of the light by the substance which has absorbed light with more photon energy as compared to the emitted energy.

<u>It occurs when the emitted light has longer wavelength because of lower energy as compared to the absorbed radiation.</u>

You might be interested in
Part A Magnetic field lines form closed loops Magnetic field lines form closed loops Around and through bar magnets. Through cur
alex41 [277]

Answer:

Magnetic field lines form closed loops around current carrying straight wires.

Explanation:

Magnetic field lines is known to form closed loop (which also serves as a bar magnet) around current carrying conductor in a magnetic field. This direction of the loop around the conductor either clockwise or anticlockwise will determine the direction of current in the conductor.

This directions can be determined using the Maxwell cockscrew or clenched fist rule.

According to clenched fist rule which states if the conductor is grasp with the right hand, the curled finger will point in the direction of the magnetic field and the thumb will point in the direction of the current.

Note that the magnetic field lines around the conductor also behaves like a bar magnet.

8 0
4 years ago
What are 5 different ways to use a fidget spinner?
butalik [34]

Answer:

Balancing on one finger.

Tossing between hands.

Using a different body part.

Building a tower.

Throwing it high in the air.

Flipping it over.

Switching between fingers.

Going behind the back.

Explanation:

Just stuff I used to do ^^

5 0
3 years ago
Ulesr...<br> 4.What makes the molecular shape of Co, and NH, different? (2 points)<br> luence.
hichkok12 [17]

The shape is square pyramidal based on an oc- tahedral arrangement of electrons about the Xe atom

hope this helped

7 0
3 years ago
How much energy is transferred electrically by a 2000 W cooker in half an hour?
Kryger [21]

Responder:

E = 1440 kJ

Explicación:

Se da que,

La potencia de un horno de cocción es de 800 W

El voltaje al que se opera es de 230 V

Tiempo, t = 30 minutos = 1800 segundos

Necesitamos encontrar la energía eléctrica utilizada por el horno de cocción. El producto de la potencia y el tiempo es igual a la energía consumida. Entonces,

5 0
3 years ago
Read 2 more answers
Why is there no overall electrical charge on an aluminium atom?
uranmaximum [27]
The electrical charge of particles. The total number of electrons in an atom is always the same as the number of protons in the nucleus. This means atoms have no overall electric charge. The number of protons in an atom is called its atomic hater number.
4 0
4 years ago
Read 2 more answers
Other questions:
  • Three eyewitnesses at the scene of a car accident were asked how long the accident lasted. They responded with 11 seconds, 12 se
    6·1 answer
  • A person exerts a 14-N force on a cart attached to a spring and holds the cart steady. The cart is displaced 0.060 m from its eq
    7·1 answer
  • Heredity includes all of the following except
    8·2 answers
  • A potter’s wheel moves from rest to an angular speed of 0.50 rev/s in 28.9 s. Assuming constant angular acceleration, what is it
    11·1 answer
  • The period of the musical node E0 is 4.85 × 10-2 seconds. What is the frequency of this note?Select one of the options below as
    7·2 answers
  • The smokestack of a stationary toy tra in consists
    15·1 answer
  • A 100-coil spring has a spring constant of 540 N/m. It is cut into four shorter springs, each of which has 25 coils. One end of
    14·1 answer
  • You visit the Grand Canyon on a particularly hot day, and like all good tourists, you yell "Hello!". Would you expect to hear th
    15·1 answer
  • Help this is due today I need help
    12·1 answer
  • An object accelerates from rest to 93 m/s over a distance of 49 m. What acceleration did it experience?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!