Physics In which one of the following the phenomenon of total internal reflection of light is used ? Twinkling of stars Working of binoculars Formation of mirage Formation of rainbow Twinkling of stars Working of binoculars Formation of mirage Formation of rainbow ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrolysis It may spoil the wiring It may cause electrocution It may cause hydrolysis It may cause electrolysis It may spoil the wiring It may cause electrocution It may cause hydrolysis ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Conduction Convection Both conduction and convection Radiation Conduction Convection Both conduction and convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 1 0.5 100 50 1 0.5 100 50 ANSWER DOWNLOAD EXAMIANS APP
Physics A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of 25 m/s 18 m/s 30 m/s 36 m/s 25 m/s 18 m/s 30 m/s 36 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Loudness of sound depends on Frequency Amplitude Wavelength Pitch Frequency Amplitude Wavelength Pitch ANSWER DOWNLOAD EXAMIANS APP
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