Physics The unit of intensity of electric field is Volt N/m J/c N/c Volt N/m J/c N/c ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument that measures and records the relative humidity of air is Hygrometer Lactometer Barometer Hydrometer Hygrometer Lactometer Barometer Hydrometer ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same frequency All of these Same amplitude Same phase Same frequency All of these Same amplitude Same phase ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher intensity when train arrives Of higher pitch when train departs The same in both cases in all respects Of higher pitch when train arrives Of higher intensity when train arrives Of higher pitch when train departs The same in both cases in all respects Of higher pitch when train arrives 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 C2>C1 C1pa = C2pg C1>C2 C1 = C2 C2>C1 C1pa = C2pg C1>C2 ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
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