Physics The cover of a solar cooker is made of glass because It retains the heat inside by the green house effect It reflects sun's rays It rediates heat better than metals It absorbs sun's rays It retains the heat inside by the green house effect It reflects sun's rays It rediates heat better than metals It absorbs sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics In the atmosphere ultraviolet rays are absorbed by Oxygen Ozone Helium Nitrogen Oxygen Ozone Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics A drop of liquid assumes spherical shape because: A sphere has the least surface area for a given volume Intermolecular forces are strong in liquids Inter molecular forces are weak in liquids A sphere has the largest surface area for a given volume A sphere has the least surface area for a given volume Intermolecular forces are strong in liquids Inter molecular forces are weak in liquids A sphere has the largest surface area for a given volume ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is immersed in a liquid, the force acting on it is Upthrust Mass Weight Both (A) and (B) Upthrust Mass Weight Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
Physics Submerged objects can be located using Sonar Radar Quasar Pulsar Sonar Radar Quasar Pulsar ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 100 J 50 J 150 J 75 J 100 J 50 J 150 J 75 J ANSWER DOWNLOAD EXAMIANS APP
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