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.
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Physics MCQs for all Competitive Exams SET-68
भौतिक विज्ञान बहुविकल्पीय प्रश्न
Question : 1-10
Question : 1
Sound travels fastest in
[A]. Air[B]. Water
[C]. Steel
[D]. Vacuum
Question : 2
What is the size of Electron as comapared to Proton and Neutron
[A]. 1/355[B]. 1/1236
[C]. 1/1836
[D]. 1/1923
Question : 3
Which one is the unit of surface tension of a liquid
[A]. newton /m2[B]. electron volt /cm2
[C]. joule/ mm
[D]. None of the above
Question : 4
The wave of theory of light is based on
[A]. the laws of reflection[B]. the laws of refraction
[C]. the inverse square law
[D]. Huyghens' principle
Question : 5
At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of
[A]. Boyle's Law[B]. Charle's Law
[C]. Gay-Lussac's Law
[D]. Avogadro's Law
Question : 6
The wave theory of light can explain
[A]. comptom effect[B]. photoelectric effect
[C]. black body spectrum
[D]. interference of light
Question : 7
Number of lattices in the orthorhombic system is
[A]. 4[B]. 5
[C]. 7
[D]. 8
Question : 8
The alluminating powers of two sources are compared by
[A]. a spectrometer[B]. a photometer
[C]. a polarimeter
[D]. a fluxmeter
Question : 9
Atomic packing factor of body centred cubic structure (bcc) is
[A]. 0.63[B]. 0.68
[C]. 0.69
[D]. 0.73
Question : 10
The refractive index of a transparent medium is maximum for
[A]. red light[B]. violet light
[C]. yellow light
[D]. green light
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