Physics The cover of a solar cooker is made of glass because It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays It absorbs sun's rays It rediates heat better than metals It retains the heat inside by the green house effect It reflects sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 35 kHz 60 kHz 20kHz 45 kHz 35 kHz 60 kHz 20kHz 45 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Gasoline is useful in cars because it has Kinetic energy Electrical potential energy Chemical potential energy Gravitational potential energy Kinetic energy Electrical potential energy Chemical potential energy Gravitational potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics A voltaic cell converts chemical energy to Mechanical energy Light energy Heat energy Electrical energy Mechanical energy Light energy Heat energy Electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The pressure at high altitudes is greater than that on the plains The blood pressure of a person increases at high altitudes The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The pressure at high altitudes is greater than that on the plains The blood pressure of a person increases at high altitudes ANSWER DOWNLOAD EXAMIANS APP
Physics Fleming's right hand rule is used to find the direction of the Direct current Alternate current Induced current Actual current Direct current Alternate current Induced current Actual current ANSWER DOWNLOAD EXAMIANS APP
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