1. What is the greatest achievement of human genius? 2 When do we celebrate Radio Day? 3. What did Popov demonstrate to a meeting of the Russian Physical and Chemistry Society? 4. When was Popov born? 5. What were his favourite subjects at school? 6. Why did he accept the post of teacher in the Mining School in Kronstadt? 7. What has the radio brought to our life?​

1. It is difficult to identify a single greatest achievement of human genius as there have been numerous remarkable achievements throughout history in various fields, including science, technology, art, literature, and philosophy.
2. Radio Day is celebrated on May 7th to commemorate the invention of radio and its importance in modern communication.
3. Popov demonstrated the principles of wireless communication by transmitting and receiving radio signals over a short distance at a meeting of the Russian Physical and Chemistry Society in 1895.
4. Popov was born on March 16, 1859.
5. Popov's favourite subjects at school were physics and mathematics.
6. Popov accepted the post of teacher in the Mining School in Kronstadt to have more time for his experiments and research on wireless communication.
7. The radio has brought many benefits to our life, including improved communication, entertainment, education, and news dissemination. It has revolutionized the way we communicate and connect with people across the world.