The best answer is c, but a is also true if the wavelength of the light is chosen correctly. The intensity of the light does not determine the emission of the electrons, the wavelength (energy of light photons) is what determines.


  1. 👍
  2. 👎
  3. 👁

Respond to this Question

First Name

Your Response

Similar Questions

  1. Science

    1. Which of the following statements about mechanical waves is true? a. mechanical waves require a medium to travel through b. mechanical waves do not have amplitude and wavelength c. mechanical waves do not have frequency d.

  2. Chemistry

    An electron is excited from the n=1 ground state to the n=3 state in a hydrogen atom. Which of the following statements are true? Correct the false statements to make them true. A. It takes more energy to ionize (completely

  3. 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)

  4. Science

    Which of the following is true about all electromagnetic waves in a vacuum? A. they all carry the same energy B. they all travel at the same speed C. they all have the same frequency D. they all have the same wavelength I think

  1. Math

    a.)If ABCD is a parallelogram, then ABCD is (always true, sometimes true, OR never true) a rectangle. b.)The diagonals of a square (always true, sometimes true, OR never true) bisect each other. c.)If WXYZ is a rectangle, then the

  2. Physics

    I need help solving this please! I think that for part (b) I can use energy and wavelength to solve for frequency and the one with the highest frequency is the most damaging, but I'm not sure what to do for part (a). You want to

  3. Science

    Use the diagram to answer question 1. a wavelength graph with arrows pointing away from x to the lines representing the height or highest points on the graph in each direction What wave property is labeled x? A. frequency B.

  4. Physics

    Rank in order the following according to their speeds, from fastest (1) to slowest (5): (i) 425-nm-wavelength light through a pane of glass, (ii) 500-nm-wavelength light through air, (iii) 540-nm-wavelength light through water,

  1. Chem

    which of the following statements is true regarding electromagnetic radiation? Options: 1. electromagnetic radiation with a wavelength of 600 nm travels faster than that with a wavelength of 400 nm. 2. the frequency of

  2. Physics

    Two mirrors of a laser separated by 8.0 cm form an optical cavity in which standing waves of laser light can be set up. Each standing wave has an integral number n of half wavelengths in the 8.0 cm length, where n is large and the

  3. Physics

    Diffraction grating #1 has half the lines/cm that diffraction grating #2 does. When used with a certain wavelength of light, both gratings give first order maxima. Which of the following statements is true for the same wavelength

  4. physics - SHM

    Two sinusoidal waves with identical wavelengths and amplitudes travel in opposite directions along a string with a speed of 11 cm/s. If the time interval between instants when the string is flat is 0.33 s, what is the wavelength

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