Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Dacrease Increase Will increase first and then dcrease Remain constant Dacrease Increase Will increase first and then dcrease ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will Bend towards left Remain straight Bend towards right None of these Bend towards left Remain straight Bend towards right None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Gamma rays are emitions that have Both mass and charge Mass but no charge Neither mass nor charge Charge but no mass Both mass and charge Mass but no charge Neither mass nor charge Charge but no mass ANSWER DOWNLOAD EXAMIANS APP
Physics What property of matter is momentum related to? None of these Both A & B Mass Velocity None of these Both A & B Mass Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics On which of the following techniques photostate machine works ? Magnetic Image—Making Electrostatic Image—Making Thermal Image—Making Electromagnetic Image— Making Magnetic Image—Making Electrostatic Image—Making Thermal Image—Making Electromagnetic Image— Making ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Varies with the increase of depth of the immersion of the iron piece Will decrease Does not change Will increase Varies with the increase of depth of the immersion of the iron piece Will decrease Does not change Will increase ANSWER DOWNLOAD EXAMIANS APP
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