Physics one-liners for various competitive examinations
Welcome to the Physics Section page.
We know the importance of general awareness, GK (General Knowledge) in various competitive exams for aspirants.
We are publishing general awareness notes and study material on various subjects daily.
These Physics notes are extremely useful for all exams including Bank Exams.
Watch Physics One-Liners
1- Fire in the diesel engine is produced by compression.
2- Iron is commonly used for making an electromagnet.
3-Persistence of vision is the principle behind Cinema.
4- When water is heated from 0 degree Celsius to 100 degree Celsius, the volume of water first decreases , then increases.
5-The I.C Chip used in a computer is made up of Silicon.
6- Prithvi is the surface to surface missile that is made in India.
7-Einstein got the Nobel prize for Photo-electric effect.
8-The Period of revolution around the sun is maximum by Mars.
9-Periscope is the apparatus used in submarines to give clear view of the objects on the surface of the ocean or ground.
10-One Kilo Calorie heat will be equal to 4.2 x 103 Joule.
11-Parsec is a unit of Astronomical distance.
12-Choke is used to reduce the current in AC circuit.
13-Kilowatt – hour is a unit of Power.
14-Gas law was given by Boyle.
15-At -40 degree Celsius, the temperature on Celsius and Fahrenheit scales equal.
16- Nichrome wire is used in an electric heater because it has high resistance, high melting point, and can resist a current up to approx 5 amperes.
17-The wavelength of the radiation emitted by a body depends upon the temperature of the surface.
18-At high altitudes the boiling point of water lowers because of atmospheric pressure is low.
19-Faraday’s law of electromagnetic induction is related to the Law of conservation of energy.
20-Infrared rays have the longest wavelength.
21-A galvanometer will be converted into an ammeter when we connect a low resistance in parallel.
22-The information of brilliant colors in a thin soap film is a consequence of the phenomena of the Multiple reflection and interference.
23-One astronomical unit is the average distance between Earth and the Sun.
24- When a steel ball is placed on the surface of mercury, it does not sink because the density of mercury is greater than that of steel.
25-A car parked in the sun with its windows closed gets terribly hot inside. This is due to the greenhouse effect.
26-Distance of stars are measured in Lightyear.
27-When one enters a dark room after being in bright light one is not able to see anything clearly for a while because the iris is unable to dilate the pupil immediately to be able to see things.
28-The core of an electromagnet is made of soft iron because soft iron has large susceptibility and small retentivity.
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