Physics For which of the following substances, the resistance decreases with increase in temperature? Nichrome Platinum Copper Pure silicon Nichrome Platinum Copper Pure silicon ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to surface tension The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight Due to surface tension The density of needle is less than that of water Due to its shape It will remain under the water, when it will displace more water than its weight ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies To the left side of the body At the centre of the body Behind his feet Ahead of his feet To the left side of the body At the centre of the body Behind his feet Ahead of his feet ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Double Decreases Increases Same Double Decreases Increases Same ANSWER DOWNLOAD EXAMIANS APP
Physics Pick out the scalar quantity Acceleration Velocity Pressure Force Acceleration Velocity Pressure Force ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 3 m 300 m 0.3 m 30 m 3 m 300 m 0.3 m 30 m ANSWER DOWNLOAD EXAMIANS APP