Physics Which among the following waves is used for communication by artificial satellites ? Frequency of 1016 series Micro waves M. Radio waves Frequency of 1016 series Micro waves M. Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument which uses sound waves to measure the depth of oceans is Radar Sonar Altimeter Venturimeter Radar Sonar Altimeter Venturimeter ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is May be more or less than true weight More than the true weight Equal to the true weight Less than the true weight May be more or less than true weight More than the true weight Equal to the true weight Less than the true weight ANSWER DOWNLOAD EXAMIANS APP
Physics Planck's constant has the dimensions of : Force Angular momentum Linear momentum Energy Force Angular momentum Linear momentum Energy ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on ice than on a concrete road because None of these There is very little friction between the ice and feet pressing it There is more friction between the ice and feer Ice is soft when compared to concrete None of these There is very little friction between the ice and feet pressing it There is more friction between the ice and feer Ice is soft when compared to concrete ANSWER DOWNLOAD EXAMIANS APP
Physics Planets do not twinkle because Their distance from the earth does not change with time They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. They are very far away from the earth resulting in decrease in intensity of light Their distance from the earth does not change with time They emit light of a constant intensity They are nearer to earth and hence we receive a greater amount of light. They are very far away from the earth resulting in decrease in intensity of light ANSWER DOWNLOAD EXAMIANS APP
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