tet-ctet-physics-set-39

Physics MCQs for all Competitive Exams SET-39
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-39
भौतिक विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Optical fibre mainly used in communication is based on

[A].   less absorption coefficient
[B].   less scattering
[C].   total internal reflection
[D].   refraction


Question : 2

The phenomenon of bursting of hydrogen balloon is based on

[A].   Charle’s law
[B].   Boyle’s law
[C].   Henry’s law
[D].   Bernoulli’s theorem


Question : 3

In general what is the range of frequency of the “Message Signal”?

[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

Q-45 Mirage is a phenomenon due to

[A].   reflection of light
[B].   refraction of light
[C].   total internal reflection of light
[D].   total diffraction of light


Question : 5

Q-13 A solid sphere, disc and solid cylinder all of same mass and made of same material are allowed to roll down (from rest) on incline plane then

[A].   disc will reach the bottom first
[B].   solid sphere will reach the bottom first
[C].   solid cylinder will reach the bottom first
[D].   all of them will reach the bottom at the same time


Question : 6

Q-133 Two thin wooden sticks are floating on the surface of water close to each other. A hot needle touches the water between them. How will the sticks react to it?

[A].   They will come closer
[B].   They will move apart 
[C].   They will move critically
[D].   They will stay as before


Question : 7

Modern movie songs released are the best in quality of sound. The rich quality of sound is due to which one of the following?

[A].   A note of high frequency
[B].   A note of high amplitude
[C].   Consists many harmonics
[D].   Consists the fundamental frequency


Question : 8

Why is it easier to swim in sea water?

[A].   Atmospheric pressure is highest at the sea
[B].   Sea water contains salt
[C].   Density of sea water is higher than the ordinary water
[D].   None of the above


Question : 9

What will happen if the star having mass greater than five times of the Sun is dead?

[A].   White dwarf will form
[B].   Neutron star will form
[C].   Black hole will form 
[D].   Nebula will form


Question : 10

The blackboard seems black because it

[A].   Reflects every colour
[B].   Does not reflect any colour
[C].   Absorbs black colour
[D].   Reflects black colour





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