Physics Which one among the following doesn't have any effect on velocity of sound ? Temperature Pressure Humidity Density Temperature Pressure Humidity Density ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument used to measure the speed of the wind is Dosimeter Chronometer Anemometer Altimeter Dosimeter Chronometer Anemometer Altimeter ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 5 cm 10 cm 20 cm 15 cm 5 cm 10 cm 20 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because Oil does not mix with water water has a higher surface tension Oil is more viscous Oil is lighter than water Oil does not mix with water water has a higher surface tension Oil is more viscous Oil is lighter than water ANSWER DOWNLOAD EXAMIANS APP
Physics Hydroscope is an instrument that shows changes in: Atmospheric humidity Density of liquid Sound under water None of these Atmospheric humidity Density of liquid Sound under water None of these ANSWER DOWNLOAD EXAMIANS APP
Physics A white and smooth surface is Bad absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat Bad absorber and good reflector of heat Good absorber and bad reflector of heat Bad absorber and bad reflector of heat Good absorber and good reflector of heat ANSWER DOWNLOAD EXAMIANS APP