Physics : General Knowledge Question And Answer 08-02-2018

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Physics related questions and answers Part 10 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  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.

 

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Question (1) Swimming in water is possible due to Newton’s law of motion?

जल में तैरना न्यूटन की गति के किस नियम के कारण सम्भव है?

Answer— तृतीय नियम (Third rule)

Question (2) What is not a vector?

कौन-सी राशि सदिश नहीं है?

Answer— आयतन (Volume)

Question (3) What does Angstrom measure?

एंगस्ट्रम क्या मापता है?

Answer— तरंगदैर्ध्य (Wavelength)

Question (4) Which scientist first melt two pieces of ice and rub it together?

किस वैज्ञानिक ने सर्वप्रथम बर्फ के दो टुकड़ों को आपस में घिसकर पिघला दिया?

Answer— डेवी (John Dewey American philosopher)

Question (5) Who has given the first direct proof of heat that heat is a type of energy that can be changed into work?

उष्मा एक प्रकार की ऊर्जा है जिसे कार्य में बदला जा सकता है,इसका प्रत्यक्ष प्रमाण सबसे पहले किसने दिया?

Answer— रामफोर्ड (RAM Ford)

Question (6) Who has given the first direct proof of heat that heat is a type of energy that can be changed into work?

लोहे की सुई पानी की सतह पर तैरती है, इस परिघटना का कारण क्या है?

Answer— पृष्ट तनाव (Surface tension)

Question (7) Which fluid is the lowest density?

किस द्रव का घनत्व सबसे कम है?

Answer— petrol

Question (8) How much is a horsepower equal to?

एक हॉर्स पावर कितने वाट के बराबर होता है?

Answer— 746 vat

Question (9) The Bernoulli theorem is based?

बर्नोली प्रमेय आधारित है?

Answer— ऊर्जा संरक्षण (Energy conservation)

Question (10) What will be the melting point of increasing pressure on ice?

बर्फ पर दाब बढ़ाने से उसका गलनांक क्या होगा?

Answer— घट जायेगा (Will decrease)

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