Physics If a copper wire is increased to double its length, its resistance will become Four times One–fourth Half Double Four times One–fourth Half Double ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor of capacitance C1 is made using two gold plates. Another parallel-plate capacitor of capacitance C2 is made using two aluminium plates with same plate separation, and all the four plates are of same area. If rg and ra are respectively the electrical resistivities of gold and aluminium, then which one of the following relations is correct? C1 = C2 C1pa = C2pg C2>C1 C1>C2 C1 = C2 C1pa = C2pg C2>C1 C1>C2 ANSWER DOWNLOAD EXAMIANS APP
Physics A pond of water appears less deep due to Polarisation Diffraction Reflection Refraction Polarisation Diffraction Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? No change The liquid boils The liquid evaporates The liquid cools No change The liquid boils The liquid evaporates The liquid cools ANSWER DOWNLOAD EXAMIANS APP
Physics Stars in the sky appear to twinkle due to A series of refractions A series of reflections Multiple diminishing brightness A surface tension phenomenon A series of refractions A series of reflections Multiple diminishing brightness A surface tension phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics Solar eclipse will take place when the moon does not lie on the line joining the sun and the earth the sun is between the moon and the earth the moon is between the sun and the earth the earth is between the moon and the sun the moon does not lie on the line joining the sun and the earth the sun is between the moon and the earth the moon is between the sun and the earth the earth is between the moon and the sun ANSWER DOWNLOAD EXAMIANS APP
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