1. . A device that measures a physical quantity is called.
(A) Refractometer
(B) Thermometer
(C) Refractive Index
(D) Instrument
2. . Spectrophotometer is working on the principle of.
(A) Beers law
(B) Boyls law
(C) Newton law
(D) Charles law
3. . The combination of many different frequencies of visible light from all part of the visible spectrum is called.
(A) Red Light
(B) White Light
(C) Green Light
(D) Black Light
4. . The entire range of wavelengths or frequencies of electromagnetic radiation is called.
(A) Absorption Spectrum
(B) Emission Spectrum
(C) Electromagnetic Spectrum
(D) Continuous Spectrum
5. . The energy of electromagnetic and gravitational radiation is collectively called.
(A) Electromagnetic Energy
(B) Radiant Energy
(C) Gravitational Energy
(D) Instrumentation
6. . The System International unit of radiant energy is.
(A) Joule
(B) Fahrenheit
(C) Candela
(D) Celsius
7. . A device that produces, typically disperses and measures light.
(A) Photometer
(B) Thermometer
(C) Spectrometer
(D) Refractometer
8. . The meter detects the amount of photons that is absorbed by the molecules.
(A) Photometer
(B) Thermometer
(C) Spectrometer
(D) Refractometer