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Physics MCQs for all Competitive Exams SET-40
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.
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Physics MCQs for all Competitive Exams SET-40
भौतिक विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Who among the following gave the first experimental value of G?

[A].   Cavendish
[B].   Brook Taylor
[C].   Copernicus
[D].   Albert Einstein


Question : 2

Which of the following cannot be emitted by radioactive substances during their decay?

[A].   Electrons
[B].   Protons
[C].   Neutrons
[D].   Helium


Question : 3

Gravitational force shares a common feature with electromagnetic force. In both cases, the force is

[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

When the matter is cooled to very low temperature, it will form

[A].   semi-conductor
[B].   super-conductor
[C].   insulator
[D].   capacitor


Question : 5

Why is the machine function well with lubricant?

[A].   Because of surface tension of the lubricant
[B].   Because of viscosity of the lubricant
[C].   Lubricant removes moisture
[D].   Lubricant induces inertia of machine


Question : 6

Q-135 You placed a car in an open a parking area in a summer day. After a few hours, you noticed that the heat is trapped inside the car. This phenomenon is known as

[A].   Ozone depletion
[B].   Greenhouse effect
[C].   Solar effect
[D].   Cosmic ray impingement


Question : 7

When you pull out the plug connected to an electric appliance, you will often observe a spark. To which property of the appliance is this related?

[A].   Resistance
[B].   Inductance
[C].   Capacitance
[D].   Wattage


Question : 8

Why laser is used in the pipe alignment?

[A].   They are directional in nature
[B].   They are coherent
[C].   They are monochromatic
[D].   None of the above


Question : 9

Which one of the following pairs of rays is electromagnetic in nature?

[A].   Alpha rays and X-rays
[B].   Alpha rays and cosmic rays
[C].   Infrared rays and beta rays
[D].   Infrared rays and X-rays


Question : 10

The scent sprayer is based on

[A].   Carle’s law
[B].   Boyle’s law
[C].   Archimede’s principle
[D].   Bernoulli’s theorem





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