Physics Water pipes in hilly areas often burst on a cold frosty night, because The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break None of these Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks Water in the pipes freezes and on freezing water expands, so pipes break None of these Frost makes the pipes rusty, so they break ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of direct current is ________ 100 HZ 50 HZ 60 HZ Zero 100 HZ 50 HZ 60 HZ Zero ANSWER DOWNLOAD EXAMIANS APP
Physics An image formed by a plane mirror, that cannot be obtained on a screen is called ________ Real image Virtual image Inverted image Erect image Real image Virtual image Inverted image Erect image ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Electrons Photoelectrons Protons Photons Electrons Photoelectrons Protons Photons ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Combustion reactions Chemical reactions Fission reactions Fusion reactions Combustion reactions Chemical reactions Fission reactions Fusion reactions ANSWER DOWNLOAD EXAMIANS APP
Physics A spring is an example of which of these Newton's 3rd law Conservation of mass law Newton's 1st law Hooke's law Newton's 3rd law Conservation of mass law Newton's 1st law Hooke's law ANSWER DOWNLOAD EXAMIANS APP
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