GENERAL KNOWLEDGE

Detailed explanation-1: -16 October 1964 07:00:?? This pure-fission U-235 implosion fission device named “596” was China’s first nuclear test. The device weighed 1, 550 kg (3, 420 lb). No plutonium was available at that time.

Detailed explanation-2: -Great Britain (1952) France (1960) China (1964)

Detailed explanation-3: -Qian Sanqiang (Chinese: ; October 16, 1913 – June 28, 1992), also known as Tsien San-Tsiang, was a Chinese nuclear physicist and among the leading scientists of the Two Bombs, One Satellite program.