Physics : General Knowledge Question And Answer 19-02-2018

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Physics related questions and answers Part 17 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) Who is an atomic body?

कौन एक अचुम्बकीय पदार्थ है?

Answer— पीतल (Brass)

Question (2) Who introduced the fourth dimension in physics?

भौतिकी में चतुर्थ आयाम का परिचय किसने दिया?

Answer— आइन्स्टीन (Albert Einstein Theoretical physicist)

Question (3) Who was the inventor of radar?

रडार का आविष्कारक कौन था?

Answer— रॉबर्ट वाटसन (Robert Watson Scientist)

Question (4) Who knew the Positron

पोजिट्रॉन की खोज किसने की थी?

Answer— एण्डरसन (Carl David Anderson, American physicist (1932)

Question (5) Where does the magnetic needle indicate?

चुम्बकीय सूई किस तरफ संकेत करती है?

Answer— North

Question (6) Which substance is magnetic?

कौन-सा पदार्थ चुम्बकीय है?

Answer— निकिल (Nickel Chemical element)

Question (7) Which electric motor works as per the principle?

विद्युत् मोटर किस सिद्धान्त के अनुसार कार्य करती है?

Answer— फैराडे के नियम (Faraday’s laws)

Question (8).Which metal is commonly used to make an electromagnet?

विद्युत् चुम्बक बनाने के लिए सामान्यतः किस धातु का प्रयोग किया जाता है?

Answer— लोहा (iron)

Question (9) What kind of metal-semiconductor is used in the transistor?

कौन-सा धातु अर्द्धचालक की तरह ट्रांजिस्टर में प्रयोग होती है?

Answer— जर्मेनियम (Germanium Chemical element)

Question (10) How is heavy water used in the nuclear reactor?

नाभिकीय रिएक्टर में भारी जल का प्रयोग किस रूप में किया जाता है?

Answer— मंदक (Mandak)

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