1st Year Fsc Physics Online Test With Answers

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1st Year Fsc Physics Online Test

Sr. # Questions Answers Choice
1 Size of the molecules is much smaller as compared to the Mass of the molecules Distance between the molecules Density of the molecules Volume of the molecules
2 A finite volume of gas consists of Small no. of molecules Large no. of molecule Average no. of molecule None of these
3 The behaviour of gases is discussed by Knowing their nature Knowing their temperature Kinetic theory Maxwell's theory
4 Almost all the raw energy is librated from Heat Earth Light All of these
5 Transformation of heat other forms of energy is discussed in Thermal physics Thermodynamics Atomic physics Nuclear physics
6 The optical fibre is covered for protection by Glass jacket Plastic jacket Steel jacket Diamond jacket
7 A double convex lens acts as diverging lens when the object is At infinity Inside the focus A way from focus A a large distance from lens
8 Multimode step index fibre is useful for Long distances Short distances Better quality Low price
9 The types of optical fibres are Three Four Five Six
10 Total confined light is obtained by Total internal reflection Refraction of light Diffraction Polarization
11 The accepted value for speed of light in vacuum 2.99 x 10<sup>8</sup>m - sec<sup>-1</sup> 2.99 x 10<sup>6</sup>m - sec<sup>-1</sup> 2.99 x 10<sup>8</sup>km - sec<sup>-1</sup> 2.99 x 10<sup>8</sup>m - h<sup>-1</sup>
12 The speed of light was measured correctly by Galileo Michelson Newton Maxwell
13 The device used to study the spectra from different sources of light is Telescope Optical fibre Spectrometer Microscope
14 Image formed by a concave lens is Real Virtual Erect None of these
15 The focal length of a concave lens is always +ve -ve Zero None of these
16 The diameter of a lens is called Focal length Aperture Principle axis Centre
17 More details of an object can be seen with a microscope by using Green light Red light Yellow light Blue light
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