India and China topped the medals tally with five golds each among 86 countries that participated.
This is India's best ever performance in the IPhO in 21 years of participation.
The first edition of the IPhO took place in Warsaw, Poland, in 1967, with only five participating countries.
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Regarding further studies, Jain plans to go to MIT-US, while Goyal, Tiwary and Gupta are keen on IIT-Bombay.
Meanwhile, Abhangi, still in class-XII, will be focusing on JEE for now. The five were picked through a rigorous selection process by the Homi Bhabha Centre. Since then, IPhO has become a global event, where more than 400 competitors, from 85 countries compete against each other.
The 50th edition IChO was underway on July 19 to 29 and jointly hosted by Slovakia's Bratislava and Czech Republic's Prague where Iranian students, including Behzad Saiedi, Arshia Khademi, Mehdi Jafarzadeh and Mohammad Hassan Sharifnia managed to grab 4 silver medals.
The competition is a combination of theoretical and experimental examination, each of which is five-hours long. This year the theoretical questions were based on LIGO detection of gravitational waves, the ATLAS instrument at the Large Hadron Collider (LHC). According to The Indian Express, students were also asked to explain the physics of blood flow in growing tissues.