Introduction to Remote Sensing

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What is the approximate scene size of Landsat 8 data in north-south direction?

200 km
170 km (correct)
100 km
230 km

What is the primary purpose of thermal bands 10 and 11 in Landsat 8?

To detect atmospheric aerosols
To provide more accurate surface temperatures (correct)
To identify geological features
To capture high-resolution images

What is the resolution of Bands 1-5 and 7-9 in Landsat 8?

30 meters (correct)
15 meters
100 meters
150 meters

What is the wavelength range of the Panchromatic band in Landsat 8?

0.50 - 0.68 micrometers (B) Signup and view all the answers

What is the launch date of Landsat 8?

February 11, 2013 (C) Signup and view all the answers

What was the primary purpose of the Rohini Technology Payload launched on 10 August 1979?

To measure the in-flight performance of the SLV-3 launch vehicle (A) Signup and view all the answers

What is the primary application of photo-geology?

To identify geological features (A) Signup and view all the answers

Which launch vehicle was used for the launch of the Bhaskara-I satellite?

C-1 (A) Signup and view all the answers

What was the outcome of the INSAT-1A satellite launched on 10 April 1982?

It worked for exactly six months (C) Signup and view all the answers

What was the main difference between the Rohini RS-D1 and the Rohini RS-D2 satellites?

RS-D1 was launched by the first developmental launch of SLV-3 while RS-D2 was launched by the second (A) Signup and view all the answers

What was the significance of the Aryabhata satellite launched on 19 April 1975?

It provided technological experience in building and operating a satellite system (A) Signup and view all the answers

What was the launch vehicle used for the launch of the Rohini RS-1 satellite?

SLV-3 (D) Signup and view all the answers

What is the primary goal of remote sensing in earth sciences?

To monitor or measure phenomena in the Earth's lithosphere, biosphere, hydrosphere, and atmosphere (A) Signup and view all the answers

What is the name of the satellite designed for remote sensing applications, built by the students of Noorul Islam University?

NIUSat (C) Signup and view all the answers

Which satellite is India's 18th communication satellite and till date, its heaviest?

GSAT-17 (D) Signup and view all the answers

What is the unit of measurement for the wavelength of electromagnetic radiation?

μm (10-6 m) (C) Signup and view all the answers

How do remote sensors typically collect information about an object?

By measuring the transmission of electromagnetic energy (A) Signup and view all the answers

What is the wavelength range of Band 5 (Lower Red) in the Multi Spectral Scanner (MSS)?

0.6 – 0.7 microns (C) Signup and view all the answers

What is the purpose of Band 4 (Green) in the Multi Spectral Scanner (MSS)?

Identification of different depths and/or turbidity of water along the coastal areas (B) Signup and view all the answers

What is the main difference between remote sensing used by humans and remote sensing used by earth scientists?

The purpose of the technique (D) Signup and view all the answers

Which rocket was used to launch the CartoSat-2E satellite?

PSLV-C38 (C) Signup and view all the answers

What is the role of helicopters, planes, and satellites in remote sensing?

To position remote sensors away from the object of interest (B) Signup and view all the answers

What is the name of the satellite that was co-designed and built with private sector assistance?

IRNSS-1H (A) Signup and view all the answers

What is the name of the technique used to collect information about an object without physical contact?

Remote sensing (B) Signup and view all the answers

What is the term used to describe the ratio of distances between corresponding points on a photograph and on the ground?

Scale (A) Signup and view all the answers

What is the formula used to calculate the scale of a vertical aerial photo?

S = f/H (A) Signup and view all the answers

What is the unit of measurement of the focal length in the given example?

Millimeters (A) Signup and view all the answers

What is the elevation of the terrain above mean sea level in the given example?

200 ft (C) Signup and view all the answers

What is the Representative Fraction or Ratio Fraction of the scale in the given example?

1:9,600 (D) Signup and view all the answers

What is the meaning of the scale 1:9,600 in the given example?

1 unit of horizontal distance on photograph is equal to 9,600 units on ground (C) Signup and view all the answers