Match the following lists : List I (Region): P. Reflected IR band Q. X-ray R. Gamma ray S. Microwave List II (Wavelength): 1. Less than 0·03 nm 2. 0·1 – 30 cm 3. 0·7 – 3·0 μm 4. 0·03 – 3·0 nm Select the correct answer using the code given below : P Q R S

Match the following lists : List I (Region): P. Reflected IR band Q. X-ray R.… — Answer & Solution | Civexa

Remote Sensing / GIS · Electromagnetic Spectrum and Atmospheric Windows

Electromagnetic Spectrum and Atmospheric Windows MCQ with answer and solution

Match the following lists :

Select the correct answer using the code given below :

Solution

Concept

Regions of the electromagnetic spectrum

Step-by-step solution

1. Reflected IR: 0.7–3.0 μm → 3. 2. X-rays: 0.03–3.0 nm → 4. 3. Gamma rays: less than 0.03 nm → 1. 4. Microwaves: 0.1–30 cm → 2.

Explanation

Wavelength increases from gamma rays through X-rays and infrared to microwaves.

Why the other options are wrong

The other codes break the order of increasing wavelength.

Shortcut

Γ < X-ray < IR < microwave.

Correct answer: B) 3 4 1 2

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