Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Venus Earth Saturn Moon Venus Earth Saturn Moon ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Radiation Conduction Convection Both conduction and convection Radiation Conduction Convection Both conduction and convection ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide cross ventilation in the room These provide some sunlight in the room The exhaled warmer air rises up and goes out These do not look nice in the lower part These provide cross ventilation in the room These provide some sunlight in the room ANSWER DOWNLOAD EXAMIANS APP
Physics On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because : Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Plastics have a lower density than metals Metals have higher thermal capacity than plastics Plastics have a higher thermal conductivity than metals Metals are good conductors of heat Plastics have a lower density than metals ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following cannot be used for making lenses? Soil Glass Plastic Water Soil Glass Plastic Water ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is optical illusion? Halo Mirage Rainbow Earthshine Halo Mirage Rainbow Earthshine ANSWER DOWNLOAD EXAMIANS APP
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