76.

Primary rainbow is formed when light suffers

A. two internal refractions before emerging out of the drop B. one internal refractions before emerging out of the drop
C. no internal refraction D. either one or two internal refractions before emerging out of the drop
Answer:B
Explanation: No answer description available for this question.

77.

Rana Pratap Sagar (Rajasthan) is famous for

A. nuclear power station B. aluminum industry
C. brassware D. sports goods
Answer:A
Explanation: No answer description available for this question.

78.

The national flag was adopted by the Constituent Assembly of India on

A. August 15, 1947 B. July 22, 1947
C. January 26, 1950 D. January 2, 1950
Answer:B
Explanation: No answer description available for this question.