Physics Sound cannot pass through Water Vacuum Steel Air Water Vacuum Steel Air ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The conductivity of the doped silicon piece will remain the same The doped silicon piece will become n-type The doped silicon piece will become p-type The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become n-type The doped silicon piece will become p-type The resistivity of the doped silicon piece will increase ANSWER DOWNLOAD EXAMIANS APP
Physics During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to Get out of the car and lie flat in the ground Abandon the car and take shelter under a nearby tree Touch the nearest electric pole Remain in the car Get out of the car and lie flat in the ground Abandon the car and take shelter under a nearby tree Touch the nearest electric pole Remain in the car ANSWER DOWNLOAD EXAMIANS APP
Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km 2.8 km, 0.25 km 3.3 km, 0.30 km 1.8 km, 0.15 km 2.2 km, 0.20 km ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to refraction and reflection of sunlight by water droplets diffusion of sunlight through water droplets ionisation of water deposits absorption of sunlight in minute water droplets refraction and reflection of sunlight by water droplets diffusion of sunlight through water droplets ionisation of water deposits absorption of sunlight in minute water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and radiation only Conduction, convection and radiation Convection and radiation only Conduction and convection only Conduction and radiation only Conduction, convection and radiation Convection and radiation only Conduction and convection only ANSWER DOWNLOAD EXAMIANS APP
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