WorksheetsChemistry 5 (Instrumental)
Total questions: 15
Worksheet time: 8mins
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 (a)
The light source in the visible spectrophotometer is (a)
Two types of Prisms are usually employed in commercial instruments (a)
What kind of cuvette do we use in the UV spectrophotometer (a)
What kind of cuvette do we use in the visible spectrophotometer (a)
Major applications of spectrophotometers include the following:
Qualitative Applications
Quantitative Applications
Characterization of proteins
Check concentration and purity of DNA/RNA present in the solution.
