Physics What is the reason for formation of Mirage in desert? Reflection of light Refraction of light Total internal reflection of light Both Refraction and Total internal reflection of light Reflection of light Refraction of light Total internal reflection of light Both Refraction and Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics In a diesel engine the high temperature needed to ignite the fuel is achieved by Compressing air in the cylinders The battery Using heat from exhaust An electrical spark Compressing air in the cylinders The battery Using heat from exhaust An electrical spark ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound in air depends on Frequency Wavelength None of these Temperature Frequency Wavelength None of these Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Purity of a metal can be determined with the help of Archimedes principle Conservation of mass principle Pascal's law Boyle's law Archimedes principle Conservation of mass principle Pascal's law Boyle's law ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation Conduction and radiation only Convection and radiation only Conduction and convection only Conduction, convection and radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 C 1568 N 1568 J 1568 W 1568 C 1568 N 1568 J 1568 W ANSWER DOWNLOAD EXAMIANS APP
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