Physics Instrument used to study the behaviour of a vibrating string is : Hydrometer Barometer Sonometer Hygrometer Hydrometer Barometer Sonometer Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Fish and other aquatic creatures can live inside a deep frozen pond because Ice is a bad conductor of heat Fish are cold-blooded animals There will always be water just beneath the ice level They can adapt themselves to live in ice Ice is a bad conductor of heat Fish are cold-blooded animals There will always be water just beneath the ice level They can adapt themselves to live in ice ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 5 R R/5 4 R/5 5 R/4 5 R R/5 4 R/5 5 R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Cloudy nights are warmer compared to clear cloudless nights, because clouds mainly Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth Prevent cold waves from the sky descending on earth Reflect back the heat given by earth Absorb heat from the atmosphere send it towards earth Produce heat and radiate it toward earth ANSWER DOWNLOAD EXAMIANS APP
Physics Which Color has the Longest Wavelength? Violet Yellow Red White Violet Yellow Red White ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is Mass Spectrometer Bragg Spectrometer G.M. Counter Cyclotron Mass Spectrometer Bragg Spectrometer G.M. Counter Cyclotron ANSWER DOWNLOAD EXAMIANS APP