List of top Physics Questions on Optics asked in GATE GE

Global Navigation Satellite System can be used for positioning and timing. The average geometric dilution of precision (GDOP) at a location is 1.0 and positional dilution of precision (PDOP) is 0.8. With the precision of the measurements being 300 m, the achieved precision of timing is __________ ns (Answer in integer).

Consider the speed of light is \( 3 \times 10^8 \, \text{m/s} \)
Which of the following statements is/are correct regarding across-track scanning sensor of an airborne optical imaging system?

Global Navigation Satellite System can be used for positioning and timing. The average geometric dilution of precision (GDOP) at a location is 1.0 and positional dilution of precision (PDOP) is 0.8. With the precision of the measurements being 300 m, the achieved precision of timing is __________ ns (Answer in integer). Consider the speed of light is \( 3 \times 10^8 \, {m/s} \)

The reflectance geometry of white-sky albedo can be represented as __________