Physics The magnifying power of an astronomical telescope can be decreased by Increasing the focal length of the objective Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece None of these Increasing the focal length of the objective Decreasing the focal length of the eyepiece Increasing the focal length of the eyepiece None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The resistance of a conductor is inversely proportional to its: Length Area of cross section Temperature Resistivity Length Area of cross section Temperature Resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics A body is initially moving with a velocity of 5 m/s. It undergoes an acceleration of 2 m/s2 for 4 seconds. Find the displacement (in m) of this body in these 4 seconds. 4 36 8 72 4 36 8 72 ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components Metal reflects radiowaves Modern vehicles use electroignition system Spark plug creates electromagnetic disturbances Vehicle pollution affects the performance of the TV components Metal reflects radiowaves Modern vehicles use electroignition system ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Source Speed Medium Amplitude Source Speed Medium Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Stratosphere Ionosphere Chromosphere Troposphere Stratosphere Ionosphere Chromosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS