When a yellow card is observed through a blue glass, the card would appear? (a)...

When a yellow card is observed through a blue glass, the card would appear?
(a) black (b) green (c) red (d) white?

To get notifications when anyone posts a new answer to this question,
Follow New Answers

Post an Answer

Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here

90% of Post-UTME Questions are from Past Questions - Get your copy now!
Download Post-UTME Software

Answers (2)

Annie_Moon
4 months ago
(d) white
raphaelikem
4 months ago
A blue filter blocks red and green. Yellow light is composed of red and green light, so the card would appear black.
Ask Your Own Question

Quick Questions

See More Questions
 
90% of Post-UTME Questions are from Past Questions - Get your copy now!
September 2018 Admissions In Progress At Accra Institute of Technology (AIT) University, Ghana
Download Post-UTME Software