List of top Questions asked in AP PGECET- 2026

Which satellite platform is best suited for global mapping and Earth resource surveys with high spatial resolution?
Which type of scattering is dominant when the wavelength of electromagnetic radiation is much larger than the size of atmospheric particles?
The primary objective of the NISAR mission is to:
Spectral sensitivity of a detector refers to:
Which statement best represents Kirchhoff's Law of Thermal Radiation?
Which factor primarily controls reflectance in the SWIR region of vegetation?
For high-precision urban mapping requiring sub-meter accuracy, the most suitable satellite is:
Which system is specifically designed for systematic along-track stereo imaging in a single pass?
A satellite with \(60^\circ\) inclination cannot observe:
Higher spatial resolution is attained in azimuth (along-track) direction for Synthetic Aperture Radar (SAR) data through:
What helps to identify objects on Earth's surface?
A passive sensor uses:
Which sensor is best for identifying mineral deposits?
The ortho-rectification:
Who is known as the father of Indian Space Program?
Two main reference surfaces to approximate the shape of Earth are:
WGS84 is known as:
Sensors that provide their own energy source for illumination are known as:
RISAT stands for:
The ability of a sensor to distinguish between different wavelengths of electromagnetic radiation is called:
Diffused reflection of solar radiation from Earth's surface out of total solar radiation is known as:
In an aerial photograph affected by tilt, how does the scale vary across the image?
Why is side lap provided in aerial photography?
Which of the following is NOT a method of ranging used in chaining?
In a vertical photograph, which point on the ground lies directly below the camera?