Chemistry 5 (Instrumental)

A spectrophotometer is an instrument that measures the..........

• Volume

• Length

• concentration

• Width

A spectrophotometer is a process where we measured absorption and transmittance of monochromatic light in terms of ratio or a function of the ratio, of the radiant power of the two beams as a functional of spectral wavelength.

• True

• False

• None of the above

..................is used to split the incident beam into different wavelengths.

• Prism

• Grating

• Both answers

The spectrophotometer is useful for measuring the ............... of a compound

• Absorption spectrum

• Adsorption spectrum

• Electromagnetic spectrum

• Non of the above

.............. is a only a small portion of electromagnetic spectrum

• UV light

• Visible light

• IR light

• Non of the above

UV wavelength is .......

• Less than 380 nm

• Greater than 380 nm

• Less than 750 nm

• Greater than 750 nm

IR wavelength is .......

• Less than 380 nm

• Greater than 380 nm

• Less than 750 nm

• Greater than 750 nm

Visible wavelength is .......

• 380-750 nm

• Greater than 380 nm

• Less than 750 nm

• Greater than 750 nm

The essential components of spectrophotometer include:

• Light Source

• Monochromator

• cuvettes

• Photosensitive detector

• All the above

The light source in the UV spectrophotometer is ......