Physics The propagation of sound waves in a gas involves Isothermal compression and rarefaction Adiabatic compression and rarefaction Isobaric compression and rarefaction Isochoric compression and rarefaction Isothermal compression and rarefaction Adiabatic compression and rarefaction Isobaric compression and rarefaction Isochoric compression and rarefaction ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Is zero Is infinity Depends on the speeds of various fragments Depends on the total mass of all the fragments Is zero Is infinity Depends on the speeds of various fragments Depends on the total mass of all the fragments ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Thermo-electric effect Joule-Kelvin effect Adiabatic demagnetisation Super conductivity Thermo-electric effect Joule-Kelvin effect Adiabatic demagnetisation Super conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics Longitudinal waves cannot travel through Vacuum Gas Solid Liquid Vacuum Gas Solid Liquid ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Egg absorbs salt from the solution and expands Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension The density of salt solution exceeds the density of eggs Egg absorbs salt from the solution and expands Albumin dissolves in salt solution and egg becomes lighter Water has high surface tension The density of salt solution exceeds the density of eggs ANSWER DOWNLOAD EXAMIANS APP
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