chem

calculate the longest wavelength visible to the human eye

  1. 👍 0
  2. 👎 0
  3. 👁 365
  1. You can't calculate anything without data.
    Most texts list 700 nm on the red end and 400 nm on the violet end of the spectrum as the range of vision for the human eye. Of course this is a "typical" set of numbers.

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    A metal foil has a threshold frequency of 5.45 x 10^14 Hz. Which color of visible light will not eject electrons from this metal? a) blue b) indigo c) violet d) orange c=(wavelength)(v) 3.0x10^8m/s = (wavelength)(5.45 x 10^14 Hz)

  2. physical chemistry

    2. The retina of a human eye can detect light when radiant energy incident on it is at least 4.0X10-17 J. For light of 600-nm wavelength, how many photons does this correspond to?

  3. science

    Which statement best describes the purpose of the eye?(1 point) The eye lets in varying amounts of light. The eye sends images to the brain. The eye takes in and responds to stimuli. my awnser The eye receives and processes visual

  4. Atomic physics

    1)What is the longest wavelength light capable of ionizing a hydrogen atom in the n = 6 state 2)a. Calculate the energy of the electron in the ground state of single ionized helium, which has an atomic number Z = 2. b. Calculate

  1. Chemistry

    Electromagnetic radiation with a wavelength of 665 nm appears as orange light to the human eye. The energy of one photon of this light is __________ J.

  2. Physics

    GIVEN: A monochromatic laser is exciting hydrogen atoms from the n=2 state to the n=5 state. A: What is the wavelength of the laser? *435 nm B: Eventually, all of the excited hydrogen atoms will emit photons until they fall back

  3. physics

    (a) Calculate the wavelengths in air at 20 C for sounds in the maximum range of human hearing, 20 Hz to 20,000 Hz. (b) What is the wavelength of a 10-MHz ultrasonic wave?

  4. physics

    A 75 W light source consumes 75 W of electric power. Typically only about 5% of this energy is emitted as visible light of wavelength 600 nm. (a) Calculate the frequency of the emitted visible light. (b) How many photons per

  1. physics

    In a double-slit experiment, it is found that blue light of wavelength 460 nm gives a second-order maximum at a certain location on the screen. What wavelength of visible light would have a minimum at the same location?

  2. Chemistry

    a) A sprinter must average 24.0 mi/h to win a 100-m dash in 9.30 s. What is his wavelength at this speed if his mass is 84.5 kg? b) For potassium metal, the work function W (the minimum energy needed to eject an electron from the

  3. GenChemistry

    Exposure to high doses of microwaves can cause tissue damage. Estimate how many photons with a wavelength = 12cm, must be absorbed to raise the temperature of your eye by 3.0 deg C. Assume the mass of the eye is 11g and its

  4. college chemistry

    CH4 + 2 Cl2--> CH2Cl2 + 2HCl Cl-Cl bond energy: 242 kj/mole 1. Calculate the amount of energy (Joules) needed to break a single Cl-Cl bond. 2. Calculate the longest wavelength of light (meters)that can supply the energy per photon

You can view more similar questions or ask a new question.