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: Cm = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ Cm = 5/√εμ Cm = 1/√8 μ None of these Cm = 1/εμ ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Repetitive observations of the same area at equal interval of time are useful to monitor the dynamic phenomena: Snow cover Cloud evolution Vegetative cover All of these Snow cover Cloud evolution Vegetative cover All of these ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The entire range of the electromagnetic spectrum spans a large spectrum of wave lengths varying from: 10-8 to 106 m 10-8 to 108 m 10-10 to 1010 m 10-10 to 106 m 10-8 to 106 m 10-8 to 108 m 10-10 to 1010 m 10-10 to 106 m ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing Electromagnetic spectrum contains: All of these Ultraviolet rays (wave length < 10⁻⁶ m) Infrared rays (wave length < 10⁻⁴ m) Gamma rays (wave length < 10⁻¹⁰ m) All of these Ultraviolet rays (wave length < 10⁻⁶ m) Infrared rays (wave length < 10⁻⁴ m) Gamma rays (wave length < 10⁻¹⁰ m) ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing The remote sensing techniques applied for the earth's surface features, is generally confined to the following wave lengths: 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm All of these 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm 0.4 to 1.3, 1.5 to 1.8, 2.2 to 2.6 μm 2.2 to 2.6, 3.0 to 3.6, 4.2 to 5.0 μm All of these 4.2 to 5.0, 7.0 to 15.0 μm and 1 cm to 30 cm ANSWER DOWNLOAD EXAMIANS APP
Elements Of Remote Sensing In GPS, receivers are used are; Mechanical clocks Quartz clocks Atomic clocks Electronic clocks Mechanical clocks Quartz clocks Atomic clocks Electronic clocks ANSWER DOWNLOAD EXAMIANS APP
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