'A time varying electric field produces a magnetic field.' This phenomenon is called: Ampere Maxwell's law Faraday's law Hertz's law Kirchoff’s law TRUE ANSWER : ? YOUR ANSWER : ?
Electromagnetic radiation: All of these Is capable to travel across space Produces a time varying magnetic field and vice versa Once generated, remains self-propagating TRUE ANSWER : ? YOUR ANSWER : ?
A perfectly black body: All listed here Is a diffuse emitter Emits power of every wave length Absorbs all the radiations of every wave lengths TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements regarding the satellite imaging: 1. The satellite orbit is fixed in the inertial space 2. During successive across-track imaging, the earth rotates beneath the sensor 3. The satellite images a skewed areaWhich one of the following statements is/are correct? 1, 2 1, 3 1, 2, 3 2, 3 TRUE ANSWER : ? YOUR ANSWER : ?
The altitudinal distance of a geostationary satellite from the earth is about: 36,000 km 30,000 km 44,000 km 26,000 km TRUE ANSWER : ? YOUR ANSWER : ?
Which one of the following parameters is considered to determine the reflectance of a vegetation canopy? All of these Solar zenith angle Azimuth angle Look angle TRUE ANSWER : ? YOUR ANSWER : ?
According to the Snell's law if an electromagnetic wave is incident in a medium (refractive index n₁) on another medium (refractive index m₂); Neither (A) nor (B) The angle of incidence is equal to the angle of refraction The angle of refraction (θr) is given by sin θ₂ = (n₁/n₂) sin θi Both (A) and (B) TRUE ANSWER : ? YOUR ANSWER : ?
Consider the following statements regarding the satellite imaging:<br/>1. The satellite orbit is fixed in the inertial space<br/>2. During successive across-track imaging, the earth rotates beneath the sensor<br/>3. The satellite images a skewed area<br/>Which one of the following statements is/are correct? 2, 3 1, 2, 3 1, 3 1, 2 TRUE ANSWER : ? YOUR ANSWER : ?
In the given figure the phase of Crest A is π/2 Trough C is 3π/2 B crossing is π All of these TRUE ANSWER : ? YOUR ANSWER : ?
The most widely used antenna in GPS is Parabolic antenna Microstrip antenna Slotted antenna Horn antenna TRUE ANSWER : ? YOUR ANSWER : ?