Who invented the laser?
Important Questions on Physics
Match the following:
| Transfer of Heat | Medium | ||
| A | Conduction | 1 | Polished surface |
| B | Convection | 2 | Black surface |
| C | Radiation | 3 | Vacuum |
| D | Absorption | 4 | Air |
| 5 | A solid medium |
Consider the following statements:
1. Smart Card is a plastic card with an embedded microchip.
2. Digital technology is primarily used with new physical communication medium such as satellite and fibre optics transmission.
3. A digital library is a collection of documents in an organized electronic form available on the Internet only.
Which of the statements given above is/are correct?
Consider the following statements:
1. Indira Gandhi Centre for Atomic Research uses fast reactor technology.
2. Atomic Minerals Directorate for Research and Exploration is engaged in heavy water production.
3. Indian Rare Earths Limited is engaged in the manufacture of Zircon for India's Nuclear Programme beside other rare earth products.
Which of the statements given above are correct?
The pH of water at is . When it is heated to , the pH of water:
