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-21
भौतिक विज्ञान बहुविकल्पीय प्रश्न
Question : 1-10
Question : 1
The working of the quartz crystal in the watch is based on the
[A]. Piezo - electric Effect[B]. Edison Effect
[C]. Photoelectric Effect
[D]. Johnson Effect
Question : 2
A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, the number of revolutions made by the larger wheel is:
[A]. 12[B]. 49
[C]. 9
[D]. 4
Question : 3
A wooden block is floating in water. If 4/5 of its volume is immersed in water andvolume of the water displaced is 800ml, the volume of the block is:
[A]. 1140 ml[B]. 200 ml
[C]. 800 ml
[D]. 100 ml
Question : 4
The rising of ink to the point of nib in a fountain pen is due to:
[A]. Surface tension[B]. Capillary action
[C]. Gravitational attraction
[D]. None of the
Question : 5
As one goes up the mountain one suffers from nose bleeding sometimes. The reason is that
[A]. Blood pressure decreases at high altitudes[B]. Blood pressure increases at high altitudes
[C]. As one starts going up, the pressure of the blood capillaries becomes higher than the outside pressure
[D]. None of the above
Question : 6
The most suitable unit for expressing nuclear radius is
[A]. Micro[B]. Nanometre
[C]. Fermi
[D]. Angstrom
Question : 7
The basic reason for the extraordinary sparkle of suitably cut diamond is that
[A]. It has well defined cleavage planes[B]. It has a very high transparency
[C]. It has a very high refractive index
[D]. It is very hard
Question : 8
A balloon filled with air is weighted (W) so that it just floats in water. When it is further pushed a short distance in water it will:
[A]. Sink to the bottom[B]. Stay at the depth where it stands submerged
[C]. Not come back to its original position
[D]. Sink down a little further but will not reach the bottom
Question : 9
Air pressure is usually highest when the air is
[A]. Warm and moist[B]. Cool and dry
[C]. Warm and dry
[D]. Cool and moist
Question : 10
Ultrasonic waves are used for stirring liquid solutions because they
[A]. Do not produce noise during the operation[B]. Are easy to produce
[C]. Can produce perfectly homogeneous solutions
[D]. Do not produce chemical reactions in the solution
To Read Next Set
Click on below links
- Physics MCQs for all Competitive Exams SET-16
- Physics MCQs for all Competitive Exams SET-17
- Physics MCQs for all Competitive Exams SET-18
- Physics MCQs for all Competitive Exams SET-19
- Physics MCQs for all Competitive Exams SET-20
- Physics MCQs for all Competitive Exams SET-21
- Physics MCQs for all Competitive Exams SET-22
- Physics MCQs for all Competitive Exams SET-23
- Physics MCQs for all Competitive Exams SET-24
- Physics MCQs for all Competitive Exams SET-25
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