Physics Lightning heats the surrounding air to 300 deg Cent 30000 deg Cent 300000 deg Cent 3000 deg Cent 300 deg Cent 30000 deg Cent 300000 deg Cent 3000 deg Cent ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has More density than dry air. Less density than dry air. More pressure than dry air. Less pressure than dry air. More density than dry air. Less density than dry air. More pressure than dry air. Less pressure than dry air. ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become C 14C 7C C/7 C 14C 7C C/7 ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because We feel cool when air touches the body. Fan cools surrounding air. Fan gives cool air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan cools surrounding air. Fan gives cool air. Air vapourises the sweat on our body. ANSWER DOWNLOAD EXAMIANS APP
Physics If a copper wire is increased to double its length, its resistance will become Half Double Four times One–fourth Half Double Four times One–fourth ANSWER DOWNLOAD EXAMIANS APP
Physics The paramagnetic theory of magnetism applies to Platinum Iron Nickel Mercury Platinum Iron Nickel Mercury ANSWER DOWNLOAD EXAMIANS APP
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