Physics Friction is caused by the ________ on the two surfaces in contact. Irregularities Smoothness Gaps Densities Irregularities Smoothness Gaps Densities ANSWER DOWNLOAD EXAMIANS APP
Physics stars which appear single to the naked eye but are double when seen through a telescope are asteroids novas and supernovas binaries quasars asteroids novas and supernovas binaries quasars 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
Physics Which one of the following is the value of one nanometer? 10-6 cm 10-3 cm 10-4 cm 10-7 cm 10-6 cm 10-3 cm 10-4 cm 10-7 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is : 1.2 1 1.5 2 1.2 1 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
Physics At low temperature, Lead behaves as a : Semi conductor Conductor Superconductor Insulator Semi conductor Conductor Superconductor Insulator ANSWER DOWNLOAD EXAMIANS APP