Physics Water has maximum density at 273°C 100°C 4°C 0°C 273°C 100°C 4°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics The light rays used for eliminating bacteria Ultra-violet radiation Microwave radiation Infrared rays X-rays Ultra-violet radiation Microwave radiation Infrared rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics If electric resistance is to be decreased, then the number of resistances should be connected in ________ Series None of these Mixed arrangement Parallel Series None of these Mixed arrangement Parallel ANSWER DOWNLOAD EXAMIANS APP
Physics According to the theory of relativity, which of the following always remains constant ? Space Length of an object Velocity of light Time Space Length of an object Velocity of light Time ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It does not form a closed path for the flow of current The body is earthed It has high resistance Its feet are good insulators It does not form a closed path for the flow of current The body is earthed It has high resistance Its feet are good insulators ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 15 cm 5 cm 10 cm 20 cm 15 cm 5 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP