#1
22nd March 2016, 12:33 PM
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Simple Physics Questions and Answers
Hii Buddy , Here I am Looking for Simple Physics Questions and Answers for Competitive Exams , Would you please Provide me Same ?
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#2
22nd March 2016, 12:34 PM
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Re: Simple Physics Questions and Answers
Friend As on your Demanding Here I am providing Some Simple Physics Questions and Answers Which Asked in Competitive Exams : 1. Which instrument is used to measure altitudes in aircraft's ? Audiometer Ammeter Altimeter Anemometer Radiocarbon is produced in the atmosphere as a result of A. collision between fast neutrons and nitrogen nuclei present in the atmosphere B. action of ultraviolet light from the sun on atmospheric oxygen C. action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere D. lightning discharge in atmosphere It is easier to roll a stone up a sloping road than to lift it vertical upwards because A. work done in rolling is more than in lifting B. work done in lifting the stone is equal to rolling it C. work done in both is same but the rate of doing work is less in rolling D. work done in rolling a stone is less than in lifting it The absorption of ink by blotting paper involves A. viscosity of ink B. capillary action phenomenon C. diffusion of ink through the blotting D. siphon action 4. Siphon will fail to work if A. the densities of the liquid in the two vessels are equal B. the level of the liquid in the two vessels are at the same height C. both its limbs are of unequal length D. the temperature of the liquids in the two vessels are the same 5. Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to A. the heating effect of current alone B. hysteresis loss alone C. both the heating effect of current and hysteresis loss D. intense sunlight at noon 6. Nuclear sizes are expressed in a unit named A. Fermi B. angstrom C. newton D. tesla Which instrument is used to measure depth of ocean ? Galvanometer Fluxmeter Endoscope Fathometer Name of the instrument to measure atomspheric pressure ? Barometer Barograph Bolometer Callipers Which instrument is used to measure the power of electric circuit ? Voltmeter Wattmeter Wavemeter Viscometer Which instrument is used in submarine to see the objects above sea level ? Pykometer Polygraph Photometer Periscope Which instrument is used to measure curvature of spherical objects ? Spectroscope Spherometer Spectrometer Sextant Which instrument is used to record physical happenings at a distant place ? Thermostat Tonometer Telemeter Transponder Metals are good conductors of electricity because A. they contain free electrons B. the atoms are lightly packed C. they have high melting point D. All of the above Let a thin capillary tube be replaced with another tube of insufficient length then, we find water A. will overflow B. will not rise C. depressed D. change its meniscus Out of the following pairs, choose the pair in which the physical quantities do not have identical dimension? A. Pressure and Young's modules B. Planck's constant and Angular momentum C. Impulse and moment of force D. Force and rate of change of linear momentum If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same A. velocity B. momentum C. acceleration D. kinetic energy Pick out the scalar quantity A. force B. pressure C. velocity D. acceleration Rectifiers are used to convert A. Direct current to Alternating current B. Alternating current to Direct current C. high voltage to low voltage D. low voltage to high voltage’ K. Macmillan invented Bicycle Barometer Calculating Machine Centigrade Scale Thomas Alva Edison invented Cinema Cine Camera Computer Cinematograph Alfred Nobel invented X ray Diesel Engine Dynamite Dynamo’ David Hughes invented Machine Gun Microphone Microscope Motorcycle Marie and Pierre Curie invented Radio Radium Radar Refrigerator Alexander Graham Bell invented Telephone Telescope Television Tank Harry Brearley has invented Electric iron Electromagent Stainless Steel Gramophone Lux is the SI unit of A. intensity of illumination B. luminous efficiency C. luminous flux D. luminous intensity On a rainy day, small oil films on water show brilliant colours. This is due to A. dispersion B. interference C. diffraction D. polarization Point A is at a lower electrical potential than point B. An electron between them on the line joining them will A. move towards A B. move towards B C. move at right angles to the line joining A and B D. remain at rest Materials for rain-proof coats and tents owe their water-proof properties to A. surface tension B. viscosity C. specific gravity D. elasticity RADAR is used for A. locating submerged submarines B. receiving a signals in a radio receiver C. locating geostationary satellites D. detecting and locating the position of objects such as aeroplanes Sound of frequency below 20 Hz is called A. audio sounds B. infrasonic C. ultrasonic D. supersonics |