Which of the following statement is false about double beam absorption instruments?
A. It is similar to single beam instruments except two beams are present
B. Tungsten bulb is used as source
C. Reference beam must have higher intensity than sample beam
D. Both the beams after they pass through respective samples are compared
Answer:C
Which of the following statement is false about double beam absorption instruments?
A. It is similar to single beam instruments except two beams are present B. Tungsten bulb is used as source C. Reference beam must have higher intensity than sample beam D. Both the beams after they pass through respective samples are compared
Explanation: Reference beam cannot have the higher intensity than sample beam. The beam is split into two beams of equal intensity.