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
✅ The correct answer is option B.
Primary rainbow is formed when light suffers one internal refractions before emerging out of the drop. In a primary rainbow, the arc shows red on the outer part and violet on the inner side. This rainbow is caused by light being refracted when entering a droplet of water, then reflected inside on the back of the droplet and refracted again when leaving it.

The 2005 Australian Open Tennis Championship titles for men’s and women’s singles were won, respectively by

A. Pete Sampras and Steffi Graf
B. Rafael Nadal and Venus Williams
C. Marat Safin and Serena Williams
D. Andre Agassi and Arantxa Sanchez-Vicario
✅ The correct answer is option C.
The 2005 Australian Open Tennis Championship titles for men’s and women’s singles were won, respectively by Marat Safin and Serena Williams. Dinara Mubinovna Safina is a Russian former world No. 1 tennis player. Serena Jameka Williams is an American professional tennis player and former world No. 1. She has won 23 major singles titles, most by any man or woman in the Open Era.

Which language is spoken in Karnataka?

A. Marathi
B. Hindi
C. Malayalam
D. Kannada
✅ The correct answer is option D.
Kannada language is spoken in Karnataka. Kannada, one of the classical languages of India, is the most widely spoken and official language of the state. Other languages spoken include Urdu, Konkani, Marathi, Tulu, Tamil, Telugu, Malayalam, Kodava and Beary.

The term used in billiards are

A. blocking, held ball, holding, jump ball, pivot
B. target, field, flight, ballsege
C. auxiliary point system, rabbit punch, break, cut
D. blank line, break, bolting, cannon, cue, hazard, in-oft
✅ The correct answer is option D.
The term used in billiards are blank line, break, bolting, cannon, cue, hazard, in-oft. Billiards, any of various games played on a rectangular table with a designated number of small balls and a long stick called a cue. The table and the cushioned rail bordering the table are topped with a feltlike tight-fitting cloth. Carom, or French, billiards is played with three balls on a table that has no pockets.

India’s first Technicolor film ____ in the early 1950s was produced by ____

A. ‘Mirza Ghalib’, Sohrab Modi
B. ‘Mirza Ghalib’, Munshi Premchand
C. ‘Jhansi Ki Rani’, Sir Syed Ahmed
D. ‘Jhansi Ki Rani’, Sohrab Modi
✅ The correct answer is option D.
India’s first Technicolor film Jhansi Ki Rani in the early 1950s was produced by Sohrab Modi.

The headquarter of ECA (Economic Commission for Africa) are situated at

A. Bangkok
B. Geneva
C. Addis Ababa
D. Baghdad
✅ The correct answer is option C.
The headquarter of ECA (Economic Commission for Africa) are situated at Addis Ababa. Addis Ababa, also spelled Addis Abeba, capital and largest city of Ethiopia. It is located on a well-watered plateau surrounded by hills and mountains, in the geographic centre of the country.