Physics A particle dropped from the top of a tower uniformly falls on ground at a distance which is equal to the height of tower. Which of the following paths will be traversed by the particle ? Hyper–parabolic Great circle Circle Parabolic Hyper–parabolic Great circle Circle Parabolic ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because None of these the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch ANSWER DOWNLOAD EXAMIANS APP
Physics Blowing Air with open pipe is an example of : Isochroric process Isothermal process Isobaric process Adiabatic process Isochroric process Isothermal process Isobaric process Adiabatic process ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of radiation has the lowest penetrating ability? Beta Alpha All of these Gamma Beta Alpha All of these Gamma ANSWER DOWNLOAD EXAMIANS APP
Physics When hot liquid is poured into a thick glass tumbler, it cracks because glass : Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has low temperature coefficient of expansion Has a very low specific heat Is a bad conductor of heat so only inner surface expands Has high temperature coefficient of expansion Has low temperature coefficient of expansion Has a very low specific heat ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Increase the friction between the wheel and the axle ANSWER DOWNLOAD EXAMIANS APP