GATE CE 2017 Set 1 — Question 19

MCQ+1 / -0.33MediumSensors & PlatformsRemote Sensing & GISGeomatics Engineering

Geomatics Engineering → Remote Sensing & GIS → Sensors & Platforms

Last updated 5 September 2026

Question

The number of spectral bands in the Enhanced Thematic Mapper sensor on the remote sensing satellite Landsat-7 is

Correct answer (C) 8 Solution The Enhanced Thematic Mapper Plus (ETM+) sensor on Landsat-7 has 8 spectral bands: Bands 1-5 and 7 are multispectral (30m resolution), Band 6 is thermal (60m resolution), and Band 8 is panchromatic (15m resolution). Turn this into a strength. Explore AI-powered practice and doubt support with Success Tracker.

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Correct answer (C) 8 Solution The Enhanced Thematic Mapper Plus (ETM+) sensor on Landsat-7 has 8 spectral bands: Bands 1-5 and 7 are multispectral (30m resolution), Band 6 is thermal (60m resolution), and Band 8 is panchromatic (15m resolution).

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