Physics Which of the following is the unit of perceived loudness of sound ? Decibel Hertz Sone Phon Decibel Hertz Sone Phon ANSWER DOWNLOAD EXAMIANS APP
Physics The energy that generates wind comes from what source? None of these Ocean currents Anemometers Solar radiation None of these Ocean currents Anemometers Solar radiation ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its coefficient of expansion Contracts Expands It expands or contracts according to its diameter It expands or contracts according to its coefficient of expansion Contracts Expands It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The sudden expansion of a compressed gas The evaporation of a volatile liquid The ice which deposits on the freezer None of these The sudden expansion of a compressed gas The evaporation of a volatile liquid The ice which deposits on the freezer None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: When it is just on the half-way Just before it touches the ground Just after it is dropped When it touches the ground When it is just on the half-way Just before it touches the ground Just after it is dropped When it touches the ground ANSWER DOWNLOAD EXAMIANS APP
Physics Light houses are places with powerful lights to : Guide and help large crowds at religious gathering during nights Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Indicate to the incoming warships, the location of a harbour during night Guide and help large crowds at religious gathering during nights Guide and warn the ships coming from different directions in the ocean Guide and resolve traffic jams in crowded metro-cities during nights Indicate to the incoming warships, the location of a harbour during night ANSWER DOWNLOAD EXAMIANS APP
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