സൗരയൂധം പിന്നിട്ട ആദ്യ മനുഷ്യനിർമിത  പേടകം 

Weibo is a social media platform popular in

With reference to ‘Near Field Communication (NFC) Technology’, which of the following statements is/arc correct?
I. It is a contactless communication technology that uses electromagnetic radio fields.
2. NFC is designed for use by devices which can be at a distance of even a metre from each other.
3. NFC can use encryption when sending sensitive information.
Select the correct answer using the code given below.

The term ‘lndARC’, sometimes seen in the news, is the name of

In which of the following activities are Indian Remote Sensing (IRS) satellites used?
I. Assessment of crop productivity
2. Locating groundwater resources
3. Mineral exploration
4. Telecommunications
5. Traffic studies
Select the correct answer using the code given below.