tet-ctet-physics-set-46

Physics MCQs for all Competitive Exams SET-41
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-41
भौतिक विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question : 1

Which one among the following rays has minimum wavelength?

[A].   Cosmic rays
[B].   Gamma rays
[C].   X-rays
[D].   Ultra-violet rays


Question : 2

The focal length of convex lens is

[A].   the same for all the colours
[B].   shorter for blue light than for red
[C].   shorter for red light than for blue
[D].   maximum for yellow light


Question : 3

Who had showed that the electric and magnetic waves are equal in vacuum?

[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

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 : 5

If two conducting spheres are separately charged and then brought in contact

[A].   the total energy of the two spheres is conserved
[B].   the total energy on the two spheres is conserved
[C].   both the total charge and the total charge are conserved
[D].   the final potential is always the mean of the original potential of the two spheres


Question : 6

Which of the following statements is/are true?
1. The angle of the axis in relation to the planer in which the earth revolves around the sun is not constant.
2. The amount of energy given off by the sun changes with the transparency of the atmosphere. Select the correct answer using the codes given below

[A].   Only 1
[B].   Only 2
[C].   Both 1 and 2
[D].   Neither 1 nor 2


Question : 7

In nuclear reaction which one of the following is conserved?

[A].   Atomic number
[B].   Mass number
[C].   Atomic number, mass number and energy
[D].   None of the above


Question : 8

Which one of the following instruments is used by the submarine sailors to see the objects on the surface?

[A].   Telescope
[B].   Microscope
[C].   Gyroscope
[D].   Periscope


Question : 9

A thin pin of iron can be made to float on water-drinking in a bowl. This phenomenon is due to the

[A].   Surface tension of water
[B].   Viscous nature of water
[C].   Presence of ionic bonds in water molecules
[D].   Presence of covalent bonds in water molecules


Question : 10

A table cloth can be pulled from a table without dislodging the dishes. It is because of

[A].   Graham’s law of diffusion
[B].   Archimede’s principle
[C].   Newton’s first law
[D].   Newton’s^ second law





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