When a yellow card is observed through a blue glass, the ...
When a yellow card is observed through a blue glass, the card would appear.
black
green
red
white
Correct answer is A
No explanation has been provided for this answer.
Which property of a fluid determines its suitability as a lubricant? ...
Which of the following may be used to explain a mirage? i. layers of air near the road surface ha...
The sagging of overhead electrical wires is caused by ...
Which of the following is used for the correction of short sightedness? ...
Which of the following statements about electrolysis is NOT correct? ...