Prathambir Singh − Profile

speaker of lok sabha

phenomenon by which a body s frequency matches with another vibrating body such that it accepts vibrations and starts vibrating with an increasing amplitude is called resonance

ratio of sine of angle of incidence to ratio of anglr of refraction is known as the snell s law

UV rays- rays which are least deflected , can be stopped only by concrete wall , causes immense biological damage are called UV rays

AC generator- runs on ac current

DC motor-      runs on dc current

thumb-force

index finger-induced magnetic feild

central finger-induced current

geometric centre

definition of centrifugal force

bauxite is amphoteric in nature and therefore reacts with caustic alkalis

because NH3 is a basic gas and does not react with cao-slaked lime which is another basic gas