Physics A single fixed pulley is used to draw water from a well because Velocity ratio is low Efficiency is 100% Mechanical advantage is high Force is applied in a convenient direction Velocity ratio is low Efficiency is 100% Mechanical advantage is high Force is applied in a convenient direction ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because Oil is lighter than water Oil is more viscous water has a higher surface tension Oil does not mix with water Oil is lighter than water Oil is more viscous water has a higher surface tension Oil does not mix with water ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Gamma radiation Ultra-violet radiation Microwave radiation Infra-red radiation Gamma radiation Ultra-violet radiation Microwave radiation Infra-red radiation ANSWER DOWNLOAD EXAMIANS APP
Physics One bar is equal to 104 Pa 106 Pa 105 Pa 103 Pa 104 Pa 106 Pa 105 Pa 103 Pa ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Refract light of different colours Transmit or absorb light of different colours Dispense light into component colours Reflect lights of different colours Refract light of different colours Transmit or absorb light of different colours Dispense light into component colours Reflect lights of different colours ANSWER DOWNLOAD EXAMIANS APP
Physics In a magnetic field, the direction of motion of a current carrying conductor is given by Lenz's rule Flemings left hand rule Kirchoff's law Maxwell's right hand rule Lenz's rule Flemings left hand rule Kirchoff's law Maxwell's right hand rule ANSWER DOWNLOAD EXAMIANS APP
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