Physics Fsc Part 1 Full Book Online Test With Answers

Physics Fsc Part 1 Full Book Online Test

Sr. # Questions Answers Choice
1

Value of K depends upon

<p>System of unit</p> <p>Nature of medium</p> <p>Botha a and b</p> <p>None</p>
2

If air is replaced  by any other dielectic medium the fore of attraction or repulsion between two charges.

<p>Decreases</p> <p>Increases</p> <p>Vanishes</p> <p>Remain same</p>
3

The redius of curvature of the path of a charged particle in a uniform magnetic field is directly proportiional to.

<p>The particle&#39;s charge</p> <p>The particle&#39;s momentum</p> <p>The partcl&#39;s energy</p> <p>The flux density of the field</p>
4

The algebraic sum of potential chagnes for a complete circuit is zero it is the statement of.

<p>Ohm&#39;s law</p> <p>Gausss&#39;slaw</p> <p>Kirchhoff&#39;s second law</p> <p>Kirhhoff&#39;s first law</p>
5

The current through a conductor is 3.0 a when it is attached across a pontntial difference of 6.0 V. How much power is used.

<p>18 W</p> <p>0.5 W</p> <p>0.2 W</p> <p>9.0 W</p>
6

Two pont charges  A and B are separated by 10 m. If the distance between tehm is reduced to 5 m. the force exerted on each.

<p>Decrease to half its original value</p> <p>Increase to twice the original value</p> <p>Increase four times to its original value</p> <p>Decreases to one quarer of its original value</p>
7

Bending of light around the edges of an obstacle is called.

<p>Refraction&nbsp;</p> <p>Polarization&nbsp;</p> <p>Diffraction&nbsp;</p> <p>Interference</p>
8

Optically acgive crystals are

<p>Quartz</p> <p>Sodium Chlorate</p> <p>Sodium Chlorade</p> <p>Botha a and b</p>
9

An unpolarized beam of gtransverse wave is that whose vibrations.

<p>Are confined to a single plane</p> <p>Takes place in direction perpendicular to their direction of propogation</p> <p>Takes place in all direction&nbsp;</p> <p>Take place i n directio parallel to the direction of propogation</p>
10

To distinguish between transverse and longitudinal wae............is used.

<p>Polarization&nbsp;</p> <p>Refraction&nbsp;</p> <p>Interference</p> <p>Diffraction&nbsp;</p>
11

The process of confining the beam of light to vibrate in one plane is called.

<p>Interference</p> <p>Diffraction&nbsp;</p> <p>Polarizaion</p> <p>Total internet refelection&nbsp;</p>
12

Polarized sun glasses decrease glare on sunny day because they.

<p>Completely absorb the light&nbsp;</p> <p>Have a special colour</p> <p>Refract the light</p> <p>Block a portion of light</p>
13

We van polarize the light by passing it through.

<p>Water</p> <p>Polaroid</p> <p>Glass</p> <p>Prism</p>
14

Light can be polarized by 

<p>Selective absorption</p> <p>Reflection&nbsp;</p> <p>Scattering</p> <p>All of these</p>
15

A polaroid is.

<p>A device used in polarimeter</p> <p>A light filter</p> <p>A device used to analyze polarized light</p> <p>All of these</p>
16

Polarizatio of light shows taht light is

<p>Corpuscular in nature</p> <p>Of extremely shrot waves</p> <p>Longitudinal waves</p> <p>Transverse waves</p>
17

Which of the following rays cannot be polarized.

<p>Sound Waves</p> <p>Light Waves</p> <p>X- Rays</p> <p>Infrated rays</p>
Download This Set

Is this page helpful?