Elements Of Remote Sensing
If electric permittivity and magnetic permeability of the medium are respectively ‘ε’ and ‘μ’, then the velocity (Cm) of the electromagnetic wave in the medium is given by:

None of these
Cm = 5/√εμ
Cm = 1/εμ
Cm = 1/√8 μ

ANSWER DOWNLOAD EXAMIANS APP

Elements Of Remote Sensing
Geodimeter is based on:

The visible light as carrier with frequency of the order of 5 × 1014 Hz
High frequency radio waves
Propagation of modulated light waves
Propagation of infrared radiation

ANSWER DOWNLOAD EXAMIANS APP