Question

प्रश्न-19 उस विद्युत-चुम्बकीय तरंग का नाम लिखिए, जिसका तरंग-दैर्घ्य परास 6A से 4000A
[1+2=
है। इसके दो महत्वपूर्ण उपयोग लिखिए।
Write the name of electromagnetic wave whose wavelength range is
68 to 4000Å. Also give its two main uses.​

Answer 1

Answer:

ultra violet ray

Explanation:

it's generally have wavelength between 100 A to 4000°A