Communication

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Communication can be classified into ____ communication and ___ communication.

1. Personal
2. Dual
3. Solar
4. Mass

Q. This Indian satellite launch vehicle is designed, developed, and operated by the Indian Space and Research Organisation (ISRO). It is specifically designed to carry satellites into outer space with heavier payloads compared to its rivals. The most developed version of this space vehicle was used to launch Chandrayan-2, India's second lunar exploration, into outer space.

Identify this satellite launch vehicle.

1. Polar Satellite Launch Vehicle
2. Global Positioning Satellite Launch Veicle
3. Remote Sensing Satellite Launch Vehicle
4. Geosynchronous Satellite Launch Vehicle

Q. In a famous battle between the Greeks and Persians, there is the mention of a messenger who ran a long distance to inform the people of Greek victory and eventually died of exhaustion after delivering the message. Around what year was this battle fought?

1. 640 BCE
2. 490 BCE
3. 720 BCE
4. 230 BCE