Physics Pipelines in cold countries often burst in winter, because Pipelines contract in their volume Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines expand due to freezing Pipelines contract in their volume Temperature of ice is less than that of water Water freezes and expands in its volume Pipelines expand due to freezing ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the second largest source of global energy? Nuclear Energy Fossil fuel None of these Renewable Energy Nuclear Energy Fossil fuel None of these Renewable Energy ANSWER DOWNLOAD EXAMIANS APP
Physics In a magnetic field, the direction of motion of a current carrying conductor is given by Lenz's rule Kirchoff's law Maxwell's right hand rule Flemings left hand rule Lenz's rule Kirchoff's law Maxwell's right hand rule Flemings left hand rule ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It has a high latent heat of fusion It becomes very hard It has a low specific heat capacity It reflects most of the heat from the sun It has a high latent heat of fusion It becomes very hard It has a low specific heat capacity It reflects most of the heat from the sun ANSWER DOWNLOAD EXAMIANS APP
Physics Two vectors are said to be equal if Magnitudes are same but directions are opposite Both magnitude and direction are same Only their directions are same Only their magnitudes are same Magnitudes are same but directions are opposite Both magnitude and direction are same Only their directions are same Only their magnitudes are same ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute zero is a temperature at which ________ All gases become liquid All gases become solid Molecular motion in a gas would cease Water freezes All gases become liquid All gases become solid Molecular motion in a gas would cease Water freezes ANSWER DOWNLOAD EXAMIANS APP
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