Physics Sound waves cannot travel in Hydrogen gas Vacuum Water Glass Hydrogen gas Vacuum Water Glass ANSWER DOWNLOAD EXAMIANS APP
Physics The strength of an electromagnet can be increased by All of these Increasing current supply Increasing the number of turns Increasing the length of the coiled wire All of these Increasing current supply Increasing the number of turns Increasing the length of the coiled wire ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following properties is found only in ferromagnetic materials ? Point in a particular direction Susceptibility independent of temperature Attracting a magnetic substance Hysteresis Point in a particular direction Susceptibility independent of temperature Attracting a magnetic substance Hysteresis ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is UV rays Visible light Gamma rays Microwave radiation UV rays Visible light Gamma rays Microwave radiation 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 C1>C2 C1pa = C2pg C2>C1 C1 = C2 C1>C2 C1pa = C2pg C2>C1 ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Solar cell panel Solar cooker Battery Solar heater Solar cell panel Solar cooker Battery Solar heater ANSWER DOWNLOAD EXAMIANS APP