Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Ionosphere Stratosphere Troposphere Mesosphere Ionosphere Stratosphere Troposphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Ammonia Ozone Chlorine Carbon dioxide Ammonia Ozone Chlorine ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 60 kHz 20kHz 45 kHz 35 kHz 60 kHz 20kHz 45 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Heat energy is transferred by conduction whenever molecules All of these Means of photons Collide each other Particles replaces there places All of these Means of photons Collide each other Particles replaces there places ANSWER DOWNLOAD EXAMIANS APP
Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: Just before it touches the ground Just after it is dropped When it touches the ground When it is just on the half-way Just before it touches the ground Just after it is dropped When it touches the ground When it is just on the half-way ANSWER DOWNLOAD EXAMIANS APP
Physics Heat is transmitted from higher temperature to lower temperature through the actual motion of the molecules in Convection Both conduction and convection Radiation Conduction Convection Both conduction and convection Radiation Conduction ANSWER DOWNLOAD EXAMIANS APP
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