Spectrophotometer

spectrophotometer

Multiple Select

what is the function of the spectrometer ? choose correct answers

• for producing air of any selected frequency

• for producing light of any selected waveform

• to support breathing for people of having pneumothorax

• for producing light of any selected wavelength

• for producing light of any selected colour

Multiple Select

what is the function of photometer? choose correct answer

• measuring the direct current

• measuring the intensity of light

• measuring the luminosity of light

• measuring the intensity of xray

• measuring the temperature of the sun

Multiple Select

What is the function of spectrophotometer ? choose correct answers

• measure the absorption quantity of a light beam that an object absorbs

• to measure the electrical activity of heart

• measure the concentration of light beam

• measure the blood pressure invasively

• measure the concentration of electrolytes

Multiple Choice

choose one correct principle operation flow of the spectrophotometer

• -first lightbeam shoot towards blank

  - second lightbeam shoot towards sample

  - machine compute voltage and transmittance value

• -first lightbeam shoot towards blank

  - second lightbeam shoot towards sample

  - machine compute absorbance and transmittance value

• -first lightbeam shoot towards blank

  - second lightbeam shoot towards operator's eye

  - machine compute absorbance and transmittance value

• -first lightbeam shoot towards sample

  - second lightbeam shoot towards blank

  - machine compute absorbance and transmittance value

• -first lightbeam shoot towards blank

  - second lightbeam shoot towards sample

  - machine compute absorbance and resistance value

Multiple Choice

What is the function of monochromator ?

• A mood selection apparatus that able to produced selected wavelength from a continuous light source

• A wavelength selection apparatus that able to produced selected wavelength from a continuous power source

• An apparatus that able to produce light of desired wavelength from a continuous light source

• A wavelength selection apparatus that able to produced selected wavelength from a continuous light source

• A frequency selection apparatus that able to produced selected wavelength from a continuous light source

Multiple Select

choose type of spectrophotometer

• action beam

• double beam

• light beam

• single beam

• triple beam