TNPSC STUDY MATERIAL

                                          Physics Exam material for TNPSC - PART 4 Printing for the blind was introduced by --- Micheal Faraday The filament of an electric bulb is made of  --- Carbon The planet near to the sun --- Mercury Crystal dynamics was invented by --- C.V.Raman How to foodstuffs remain fresh in refrigerator --- by preventing fermentation due to very low temperature Television was invented by --- J.L.Baird The one used in the preparation of lenses and prisms --- Flint glass When the mass and velocity are doubled the kinetic energy will --- increase 8 times Colour formation in thin films is due to ---- Interference The power of a lens is measured in --- dioptre Photometers are instruments used to measure --- intensity comparison between different light sources Rays from the head light of a car is rendered parallel by --- concave le...

                                          Physics Exam material for TNPSC - PART 2 The ratio of the linear stress to the linear strain of a body is called --- Young's modulus For the same total weight and the same fuel supply, a multistage rocket is preferred to a single stage rocket, because --- multi stage rocket is safer to launch 627 o C can be expressed as --- 300K When two resistors , each of value 10 ohms, are connected in parallel, what is the effective value of the combination?  --- 5 ohms In optics, the relation between u,v and f is --- 205 The half - life period of C 14 is 5600 years what is the time required for C 14   to become 1/4th of its initial size ? --- 11,200 years Light years is the unit of --- distance  If an object weighs 60 kgm - wt on earth, its weight on the surface of the moon will be --- 10kgm-wt A small ...

Physics Exam material for TNPSC - PART 2 The Light emerging from a nicol prism has --- vibration in two mutually perpendicular directions The Unit of refractive index --- no index Glass -- One type of Insulator A radar which detects the presence of the enemy aircraft uses --- radio waves The most basis of all test instruments is the -- Galvanometer The energy gap of diamond is - 7ev The positron is called the antiparticle of the electron, because it -- has opposite charge The radioactive decay follows --- N=N o e -at Gamma - rays can be detected by passing them through - electric and magnetic fields Magnetron is used for the production of -- Microwaves The Intensity of an earthquake is measured with a - Seismograph Which one of the following function is performed by a photo-cell ----It converts light energy into electrical energy Alternating current is converted into direct current by --- Rectifier The fuse wire is made of -- lead -tin alloy Sun spots ...

                                          Physics Questions Short Tips Persistence of Vision is the Principle behind - Camera The Weight of a body is - Maximum at the Poles Ball Pen works on the principle of - Capillarity and Surface Tension At what temperature a body will not radiate any hear energy ? -- > -273 degree C In a Standing wave the distance between a node and adjacent antinode is A Telescope and Microscope differ in that - Telescope has objective of large focal lengths and eyepiece of smaller focal lengths The center of the Newton's rings pattern is dark since - the light undergoes a phase change  Galvanometer can be converted into a voltmeter by using  - a high resistance in series The apparatus used in submarines to give clear view of the objects on the surface of the ocean or ground is known as - Periscope Which metal is commonly use...