# UP Board Class 12 Physics (First) Solved Practice Paper: Set – 6

In this article you will get UP Board Class 12th Physics (First) solved practice paper for the new academic session 2017–18. This practice paper is specially prepared by physics subject experts at jagranjosh.com after the brief analysis of previous year question papers.

Created On: Jul 21, 2017 16:51 IST

Find UP Board Class 12th Physics (First) Solved Practice Paper for the new session 2017–18. This practice paper is specially prepared by physics subject experts at jagranjosh.com after the brief analysis of previous year question papers.

About UP Board Class 12th Physics (first) Solved Practice Paper:

This UP Board class 12th Physics (first) solved practice paper contains important questions and answers in the Hindi language.

In this paper there are some very short, short and long answers questions as per latest board examination pattern.

Answers given in the paper is as per the latest marking scheme.

Importance of UP Board Class 12th Physics (First) Solved Practice Paper:

After going through this paper you will:

•    understand the latest examination pattern of UP Board Class 12 Physics.

•    know important question likely to be asked in UP Board Class 12 Physics Exam 2017 – 18.

•    learn to give proper explanations to the question in order to score maximum marks.

•    able to learn time management by practicing questions.

Some sample questions from the solved practice paper:

प्रश्न : दृढ़ता गुणांक की परिभाषा दीजिए तथा इसका मात्रक लिखिए।

उत्तर : लघु विकृति के लिए अपरूपक प्रतिबल क्या अपरूपण विकृति के अनुपात को उस वस्तु के पदार्थ का दृढ़ता गुणांक कहते हैं।

लघु विकृति = अपरूपक प्रतिबल / अपरूपण विकृति

मात्रक न्यूटन/मीटर

UP Board Class 12 Physics (First) Solved Practice Paper: Set – 5

प्रश्न : दो प्रकाश पुंजों से से बनी वयाक्तिकरण फ्रिन्जों को देखने के लिए आवश्यक शर्तों का उल्लेख कीजिए|

उत्तर : दो प्रकाश पुंजों से बनी व्यतिकरण फ्रिंजों को देखने के लिए आवश्यक शर्तों उल्लेख कीजिए।

(i) प्रकाश की दोनों तरंगों के बीच कलान्तर स्थिर रहना चाहिए।

(ii) दोनों तरंगों की तरंगदैर्घ्य अथवा आवृत्ति बराबर होनी चाहिए।

(iii) दोनो तरंगों के आयाम बराबर अथवा लगभग बराबर होने चाहिए।

(iv) दोनो प्रकाश स्रोत अत्यन्त संकीर्ण होने चाहिए।

(v) दोनों प्रकाश स्रोत एक दूसरे के अति निकट होने चाहिए।

UP Board Class 12 Physics (Second) Solved Practice Paper: Set – 4

रोमांचक गेम्स खेलें और जीतें एक लाख रुपए तक कैश

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