Humans have three types of cone cells in their eyes, which are responsible for color vision. Each type absorbs a certain part of the visible spectrum. Suppose a particular cone cell absorbs light with a wavelength of 490.nm. Calculate the frequency of this light.

Q: A laser pointer used in a lecture hall emits light at 650 nm. What is the frequency of this…

A: The energy of the light can be determined by the relation, E = hv where, E = energy of the light  h…

Q: In his explanation of the threshold frequency in the photoelectric effect, Einstein reasoned that…

A: Work function is the minimum energy required to cause a photoelectric effect on that metal (remove…

Q: Every object gets its color by reflecting a certain portion of incident light. The color is…

A: Given: The frequency of the light is 7.230×1014 s-1. The energy of the photon is calculated by the…

Q: Laser light has a wavelength of 580 nm in a vacuum. C

A: Solution:- Data provided - wavelength of laser light in vacuum = 580 nm Refractive index = 1.2…

Q: One type of laser used in the treatment of vascular skin lesions is a neodymium-doped yttrium…

A: Given: The wavelength of radiation =  532 nm

Q: Calculate the wavelength (in nm) of the red light emitted by a barcode scanner that has a frequency…

A: The relationship between frequency, wavelength and speed of light can be expressed as follows:

Q: Night vision goggles like those used by the US military operate in one of the regions of the…

A: The night vision goggles used by US military are designed to help the soldiers to see during the…

Q: Calculate the wavelength of light, in nm, when the electron in a hydrogen atom is excited to n 8 and…

A:

Q: A photon has a wavelength of 705 nm. Calculate the energy of the photon in joules.

A: The energy of the photon in joules has to be given, Convert nanometers into meters.

Q: The wavelength of a particular color of green light is 522 nm. The energy of this wavelength of…

A:

Q: A particular laser consumes 150.0 watts of electrical power and produces a stream of 1.33x10^19…

A: Given, 150watts = 150 J/s

Q: Microwave radiation has wavelengths from 1.0×103 to 1.0 m, whereas the wavelength region for…

A:

Q: A sodium streetlight gives off yellow light that has a wavelength of 589 nm (1 nm = 1 × 10−9 m).…

A: The relationship between the wavelength and frequency is given by  f X λ = c where f = frequency in…

Q: A typical microwave oven produces 2.50 x 10 MHz light. What is the wavelength (in cm) of this light?…

A: 1 megahertz (MHz) = 29979.2458 wavelength in centimetres (cm) So to convert megahertz to centimetres…

Q: Microwave ovens operate at a frequency ν = 2450 MHz. What is the energy of one photon of microwave…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: The longest wavelength of light that causes electrons to be ejected from the surface of a copper…

A: Given:Wavelength  of light = 200. nmMaximum velocity of the electrons ejected is to be calculated.

Q: RGB color television and computer displays use cathode ray tubes that produce colors by mixing red,…

A: A wave is identified by its wavelength or by its frequency. Wavelength is the “distance covered by a…

Q: Consider light with a wavelength of 5.41 × 10⁻¹⁰ m. What is the frequency (in Hz) of this type of…

A:

Q: Excited mercury atoms emit light strongly at a wavelength of 454 nm. This emission predominates when…

A: Given Information: Excited mercury atoms emit light strongly at a wavelength of 454 nm.…

Q: A sun lamp radiates 425 J of energy per second at a wavelength of 345 nm. How many photons per…

A: Welcome to bartleby ! We have to calculate photons striking

Q: Why do scientists study images made with parts of the electromagnetic spectrum other than visible…

A: We have various division of electromagnetic spectrum .

Q: The microwaves in an oven are of a specific frequency that will heat the water molecules contained…

A:

Q: Consider light with a wavelength of 5.41 × 10⁻¹⁰ m. The energy of a single photon of this type of…

A: Given: The energy of single photon = 3.67 × 10⁻¹⁶ J Total required energy = 74000 J The number of…

Q: a laser produces red light of wavelength 632.8 nm. calculate the energy in KJ, of one mole of…

A:

Q: Green plants absorb sunlight to power photosynthesis, the chemical synthesis of food from water and…

A: The frequency of the light can be calculated as follows: The wavelength of light = 430 nm =

Q: The human eye is able to detect as little as 2.35 x 10-18 J of green light of wavelength 510 nm.…

A: Number of photons can find by first calculating the energy of one Photon.

Q: wavelength

A:

Q: Calculate the wavelength of yellow light in nanometers if the light has a frequency of 4.14 x 1014…

A: Given information: frequency = 4.14 x 1014 s-1

Q: wavelength

A:

Q: A typical microwave oven operates using radiation of wavelength 30 mm. What is the frequency of this…

A:

Q: Calculate the wavelength (in nm) of the red light emitted by a laser with a frequency of 467 THz.

A:

Q: Humans have three types of cone cells in their eyes, which are responsible for color vision. Each…

A: Given data, wavelength=543nm we know, 1nm= 10-9m therefore, 543nm=543x10-9m

Q: 20 X-Rays emitted from a black hole have a wavelength of 2.56 nm. Calculate the frequency this…

A: The relationship between wavelength and frequency is given below.

Q: An energy of 254 kJ / mol is required to eject electrons from a particular metal surface. What is…

A: Photoelectric effect is the phenomenon in which light strike on the metal surface and the electron…

Q: Microwave radiation has a wavelength on the order of 1.0 cm. Calculate the frequency and the energy…

A: Wavelength = 1.0 cm = 0.01 m Plank's constant (h) = 6.626 × 10-34  Speed of light (c) = 3 × 108 m…

Q: Microwave ovens heat food by creating microwave electromagnetic radiation that is absorbed by water…

A: The amount of heat required to raise temperature is calculated as,

Q: A photon of light produced by a surgical laser has an energy of 3.027 × 10−19 J. Calculate the…

A: Given that,

Q: calculate the wavelength (in nm) of the blue light emitted by a mercury lamp with a frequency of…

A: The frequency and wavelength of a radiation are related to each other as: ν=cλ

Q: A few different types of electromagnetic radiation are listed in the wavelength, and energy per…

A:

Q: Microwave ovens heat food by creating microwave electromagnetic radiation that is absorbed by water…

A: The amount of heat required to heat the water within a certain temperature difference can be…

Q: Calculate the frequency of light with a wavelength of 585 nm.

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The photoelectric effect can be used in engineering designs for practical applications. For example,…

A: Energy = 2.0 x 10-20 J

Q: The human eye is able to detect as little as 2.35×10−18 J2.35×10−18 J of green light of wavelength…

A: Given energy(E)= 2.35*10-18J Wavelength = 510nm=510*10-19m No. of photons(n) =?

Q: A line in the spectrum of atomic mercury has a frequency of 1.16 x 10 mercury emits a photon of…

A: Frequency is inversely proportional to wavelength

Q: The blue color of the sky results from the scattering of sunlight by air molecules. The blue light…

A:

Q: Microwave ovens emit microwave energy with a wavelength of 12.3 cm. What is the energy of exactly…

A:

Q: The longest wavelength of light that causes electrons to be ejected from the surface of a copper…

A: The minimum energy required to remove an electron from copper is given by  where h = Plank's…

Q: A particular laser consumes 150.0 Watts of electrical power and produces a stream of 3.98×1019 1087…

A: Using the formulae: