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Physics MCQs for all Competitive Exams SET-47
Physics Multiple Choice question for All Competitive Exams

Physics | General Science Multiple Choice Questions(MCQ)
भौतिक विज्ञान बहुविकल्पीय प्रश्न

Welcome to our exclusive collections of Physics | General science multiple choice questions (MCQs) with answers. Physic| General science is the very important section for competitive exams.
इस पोस्ट में हम भौतिकी से सम्बंधित कई महत्वपूर्ण बहुविकल्पीय प्रश्न उत्तर प्रस्तुत कर रहे है , जो कई प्रतियोगी परीक्षाओ में पूछे जाते है. जैसे TET, CTET, Police exams ,army exams, CDSE , SBI Clerk , SBIPO, PO, RRB , IBPS PO , PSc, State PSC, Patwari, Samvida, Teacher recruitment test, UPSC, SSC, CGL, SI, CDS, MAT , SSC 10+2 , CLAT , NIFT , SBI , IBPS Clerk, Vyapam, आदि.

Physics MCQs for all Competitive Exams SET-47
भौतिक विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

By which one of the following, an old written material which cannot be read easily, can be read?

[A].   a- rays
[B].   y- rays
[C].   X-rays
[D].   IR- rays


Question : 2

Distance of stars measured in ?

[A].   Galactic Unit
[B].   Seller Mile
[C].   Cosmic Kilometre
[D].   Light Year


Question : 3

Which one of the following phenomena is associated with the fire flies giving cold light in night?

[A].   The smaller balloon becomes bigger
[B].   The bigger balloon becomes smaller
[C].   The smaller becomes smaller and the bigger becomes bigger
[D].   There is no change in their size


Question : 4

Why you walk on a woollen carpet and bring your finger near the metallic handle of a door an electric check is produced. This is because ?

[A].   Charge is transferred from your body to the handle
[B].   The temperature of the human body is higher than of the handle
[C].   A chemical reaction occurs when you touch the handle
[D].   The human body and the handle arrive at thermal equilibrium by the process


Question : 5

Select the correct statement from the following
I.Radioactive decay obeys the law of exponential.
II.Electrons orbiting the nucleus are responsible for the radioactivity.
II.Electrons orbiting the nucleus are responsible for the radioactivity.
III.Half life period is greater than mean life period.
IV.After disintegration radiocarbon is converted to C-14.
Select the correct answer using the codes given below

[A].   I, II, III and IV
[B].   I, II and III
[C].   I and III
[D].   I and IV


Question : 6

Ampere rule is used to find the ?

[A].   Direction of current
[B].   Direction of magnetic field
[C].   Direction of motion of the conductor
[D].   None of these


Question : 7

The freezer in a refrigerator is located at the top section so that ?

[A].   The entire chamber of the refrigerator is cooled quickly due to convection
[B].   The motor is not heated
[C].   The heat gained from the environment is high
[D].   The heat gained from the environment is low


Question : 8

Device used to measure very high temperature is ?

[A].   Pyrometer
[B].   Thermometer
[C].   Bolometer
[D].   Calorimeter


Question : 9

A fuse wire is always connected to the ?

[A].   Line wire
[B].   Earth wire
[C].   Neutral wire
[D].   None of these


Question : 10

A cyclotron can accelerate

[A].   Ions
[B].   Atoms
[C].   Neutrons
[D].   Gamma rays





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