General Knowledge Questions with Answers
1. An astronaut in outer space will observe sky as–
(A) White (B) Black
(C) Blue (D) Red
Answer: Black '; return false;">See Answer:
2. Which one of the following lenses should be used to correct the defect of
astigmatism ?
(A) Cylindrical lens (B) Concave lens
(C) Convex lens (D) Bifocal lens
Answer: Bifocal lens '; return false;">See Answer