Physics The sounds having a frequency of 20 Hertz to 20,000 Hertz are known as Infrasonics Megasonics Audible sounds Ultrasonics Infrasonics Megasonics Audible sounds Ultrasonics ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following branch of Physics deal with study of Atomic Nuclei? Nuclear Physics Bio Physics None of these Atomic Physics Nuclear Physics Bio Physics None of these Atomic Physics ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current is constant Photo current increases with voltage Photo current decreases with voltage Photo electric emission is not possible Photo current is constant Photo current increases with voltage Photo current decreases with voltage Photo electric emission is not possible ANSWER DOWNLOAD EXAMIANS APP
Physics What type of lens is used in a magnifying glass Plano-concave None of these Concave Convex Plano-concave None of these Concave Convex ANSWER DOWNLOAD EXAMIANS APP
Physics The electric current in a metal wire is due to the flow of - Ions Electrons Protons Holes Ions Electrons Protons Holes ANSWER DOWNLOAD EXAMIANS APP
Physics Acceleration is the rate of change of Jerk Speed Velocity Jounce Jerk Speed Velocity Jounce ANSWER DOWNLOAD EXAMIANS APP