सूर्यप्रकाशाच्या वर्णपंक्ती मिळवण्यासाठी कोणत्या शास्त्रज्ञाने पहिल्यांदा काचेचा त्रिकोणाकृती लोलक  वापरला?

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  1. सी. व्ही. रामन 
  2. लॉर्ड रॅली 
  3. आयझॅक न्यूटन 
  4. एस. चंद्रशेखर 

Answer (Detailed Solution Below)

Option 3 : आयझॅक न्यूटन 
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NDA 01/2025: English Subject Test
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Detailed Solution

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संकल्पना: 

  • प्रकाशाचे अपस्करण: पदार्थ माध्‍यमात प्रकाशाचे आपल्‍या घटक रंगात पृथक्करण होण्‍याच्‍या प्रक्रियेस प्रकाशाचे अपस्‍करण म्‍हणतात.

Set 9 Om 20Q -Hindi.docx 3

  • पांढरा प्रकाश अपस्करण 
  • The dispersion of white light occurs because the colours of white light travel at different speeds through the glass prism.
    • The band of seven colours is known as the spectrum of light.
    • The dispersion was discovered by Sir Issac Newton.
    • Newton discovered that light is made up of seven different colours.
  • EXPLANATION:

  • From the above, it is clear that Issac Newton was the first to use a glass prism to obtain the spectrum of sunlight. Therefore option 3 is correct.

 

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