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 ) 20 J 400J 200J 40J 20 J 400J 200J 40J ANSWER DOWNLOAD EXAMIANS APP
Physics When a pail of water is swung in a vertical circle, the water does not fall out at the top of the loop when the speed is Above a certain minimum value depending on amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value depending on amount of water in the pail Above a certain minimum value depending on amount of water in the pail Below a certain minimum value irrespective of amount of water in the pail Above a certain minimum value irrespective of amount of water in the pail Below a certain minimum value depending on amount of water in the pail ANSWER DOWNLOAD EXAMIANS APP
Physics If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is Acceleration due to gravity at the bottom of the vessel Height of the liquid column Surface area of the bottom of the vessel Density of the liquid Acceleration due to gravity at the bottom of the vessel Height of the liquid column Surface area of the bottom of the vessel Density of the liquid ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Remains the same Becomes double Becomes half Becomes zero Remains the same Becomes double Becomes half Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of X-ray G-ray Ultraviolet ray Infrared ray X-ray G-ray Ultraviolet ray Infrared ray ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is Mass Spectrometer G.M. Counter Cyclotron Bragg Spectrometer Mass Spectrometer G.M. Counter Cyclotron Bragg Spectrometer ANSWER DOWNLOAD EXAMIANS APP
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