Physics If a copper wire is increased to double its length, its resistance will become Half Four times One–fourth Double Half Four times One–fourth Double ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because Weights of buckets are balanced Resultant weight of buckets is zero Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet Weights of buckets are balanced Resultant weight of buckets is zero Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Fan supplies cool air Our perspiration eva-porates rapidly Fan cools the air Conductivity of air increases Fan supplies cool air Our perspiration eva-porates rapidly Fan cools the air Conductivity of air increases ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is G.M. Counter Cyclotron Bragg Spectrometer Mass Spectrometer G.M. Counter Cyclotron Bragg Spectrometer Mass Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The electrons have more energy than the light particles The velocity of electron is smaller than that of visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Buoyancy depends on The mass of the liquid displaced The depth to which the body is immersed The mass of the body The shaped of the body The mass of the liquid displaced The depth to which the body is immersed The mass of the body The shaped of the body ANSWER DOWNLOAD EXAMIANS APP
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