Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 15 cm 20 cm 10 cm 5 cm 15 cm 20 cm 10 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics A light year is a measure of : Velocity Speed Distance Time Velocity Speed Distance Time ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is 30 days 24 hours Changing continuously 365 days 30 days 24 hours Changing continuously 365 days ANSWER DOWNLOAD EXAMIANS APP
Physics Which one among the following doesn't have any effect on velocity of sound ? Density Temperature Humidity Pressure Density Temperature Humidity Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Pure silicon Platinum Copper Nichrome Pure silicon Platinum Copper Nichrome ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear None of these = 85 db > 85 db < 85 db None of these = 85 db > 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP