Physics : General Knowledge Questions And Answers 30-01-2018

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Physics related questions and answers Part 2 And Physics questions and quizzes, quiz on Physics, important Physics, important Physics and questions, general knowledge questions and answers related to general science And physics general knowledge objective questions answers mcq are important in like RAS, IAS, UPSC, RPSC, 1st, 2nd, 3rd Grade Teacher, REET CTET, LDC, SSC CGL, IBPS, MBA, CAT, MAT, SBI-PO, RBI And Railway, Indian Army And all competitive Exams.

 

Science Questions Important for RPSC, 1st, 2nd, 3rd Grade Teacher, REET

Question (1) Which substance can not be used for lenses?

कौन-सा पदार्थ लेंस के लिए प्रयुक्त नहीं किया जा सकता है?

Answer— मिट्टी (soil)

Question (2) What is convex lens have the potential?

उत्तल लेंस की क्षमता होती है?

Answer— धनात्मक

Question (3) What is the capacity of the lens to be the S.I number?

लेंस की क्षमता का S.I मात्रक होता है?

Answer— डयोप्टर (dioptre (uk)

Question (4) Why the depth of the bucket full of water look less?

पानी से भरी बाल्टी की गहराई कम दिखती है?

Answer— अपवर्तन ( Refraction)

Question (5) Why does the stick stained with water look scaly?

पानी में डाली हुई छड़ी टेढ़ी क्यों दिखती है?

Answer— अपवर्तन ( Refraction)

Question (6) What is the width of the mirror called?

दर्पण की चौड़ाई को कहा जाता है?

Answer— द्वारक

Question (7) Which is used in solar cookers?

सोलर कूकर में प्रयोग किये जाते हैं?

Answer— अवतल दर्पण (concave mirror)

Question (8) What is Doctors use to check the nose, ears, throat etc. of patients?

रोगियों के नाक, कान, गले आदि की जाँच के लिए डॉक्‍टर प्रयोग करते है?

Answer— अवतल दर्पण  (concave mirror)

Question (9) What is the refractive index of diamond?

हीरा का अपवर्तनांक है?

Answer— 2.42

Question (10) What is the car parked in front of the driver?

मोटरगाड़ी के चालक के सामने लगा रहता है?

Answer— उत्तल दर्पण (convex mirror)


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