Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 400J 20 J 200J 40J 400J 20 J 200J 40J ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Forced vibrations Damped vibrations Refraction Reflection Forced vibrations Damped vibrations Refraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics When a ship enters the sea from a river It remains at the same level It rises or sinks depending on the material it is made of It sinks a little It rises a little It remains at the same level It rises or sinks depending on the material it is made of It sinks a little It rises a little ANSWER DOWNLOAD EXAMIANS APP
Physics Total internal reflection can not take place when light goes from : Water to air Glass to air Water to glass Glass to water Water to air Glass to air Water to glass Glass to water ANSWER DOWNLOAD EXAMIANS APP
Physics Relative humidity is expressed as Ratio Percentage Kilograms Grams Ratio Percentage Kilograms Grams ANSWER DOWNLOAD EXAMIANS APP
Physics The pitch of sound depends on its Velocity Intensity Amplitude Frequency Velocity Intensity Amplitude Frequency ANSWER DOWNLOAD EXAMIANS APP
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