Elements Of Remote Sensing
Which one of the following statement is correct?

The rate of transfer of radiant energy is called flux and is expressed in watts
All of these
The radiant energy which falls upon a surface is termed as irradiance
Radiant energy expressed in Joules, is the energy associated with electromagnetic radiation

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Elements Of Remote Sensing
Which one of the following statements is correct regarding the GPS satellites?

The nominal altitude is about 20,200 km
The satellite transmits two L band signals (L1 with 1575.42 MHz and L2 with 1276.6 MHz)
All of these
The inclination of axis satellite is 55°

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