Physics Conversion of sound energy into electrical energy is done by Gramophone Loudspeaker Solar cell Microphone Gramophone Loudspeaker Solar cell Microphone ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to expansion in summer can be avoided Accidents due to contraction in winter can be avoided Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics Forged documents are detected by Infra-red rays Beta rays Gamma rays Ultraviolet rays Infra-red rays Beta rays Gamma rays Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these liquids has the highest viscosity? Syrup Pineapple juice Milk Water Syrup Pineapple juice Milk Water ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a barrel full of coal tar than to pull it because coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled the full weight of the barrel comes into play when it is pulled coal tar is a liquid and it flows in the barrel when it is rolled the rolling friction is much less than the sliding friction more surface area of the barrel is in contact with the road when it is pulled the full weight of the barrel comes into play when it is pulled ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules All of these Particles replaces there places Means of photons Collide each other All of these Particles replaces there places Means of photons Collide each other ANSWER DOWNLOAD EXAMIANS APP