Physics Why the needle of iron swims on water surface when it is kept gently ? Due to surface tension Due to its shape It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to surface tension Due to its shape It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Semi-conductor Super-conductor Metallic-conductor Insulator Semi-conductor Super-conductor Metallic-conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole No change First increases and than decreases Increases Decreases No change First increases and than decreases Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Which colour has the highest frequency? Violet Indigo Red Green Violet Indigo Red Green ANSWER DOWNLOAD EXAMIANS APP
Physics Electromagnet is constructed with which of the following ? Nickel Steel Soft Iron Aluminium Nickel Steel Soft Iron Aluminium ANSWER DOWNLOAD EXAMIANS APP
Physics Radioactive elements can be traced out in living cell through a technique called Chromatography Auto radiography All listed here Centrifugation Chromatography Auto radiography All listed here Centrifugation ANSWER DOWNLOAD EXAMIANS APP
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