Physics A black body can absorb radiations of : Lower wavelengths only Higher wavelengths only Intermediate wavelengths only All wavelengths Lower wavelengths only Higher wavelengths only Intermediate wavelengths only All wavelengths ANSWER DOWNLOAD EXAMIANS APP
Physics If a band is played on the moon the sound will Not be heard at any distance at all from it Be heard by us faintly Be heard upto 10km from it Reverberate Not be heard at any distance at all from it Be heard by us faintly Be heard upto 10km from it Reverberate ANSWER DOWNLOAD EXAMIANS APP
Physics Centrifugal force increases with Temperature Pressure Humidity Acceleration Temperature Pressure Humidity Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics Red light has a wavelength of 70 A°. In "nm" it is 7 nm 70 nm 0.07 nm 700 nm 7 nm 70 nm 0.07 nm 700 nm ANSWER DOWNLOAD EXAMIANS APP
Physics When two similar sources vibrate with slightly different frequencies, a regular rise and fall occurs in the loudness of tone. This phenomenon is known as Doppler effect Beats Echo Resonance Doppler effect Beats Echo Resonance ANSWER DOWNLOAD EXAMIANS APP
Physics Railway tracks are banked on curves necessary centrifugal force may be obtained from the horizontal component weight of the train necessary centripetal force may be obtained from the horizontal component of the weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels necessary centrifugal force may be obtained from the horizontal component weight of the train necessary centripetal force may be obtained from the horizontal component of the weight of the train the train may not fly off in the opposite direction to avoid frictional force between the tracks and wheels ANSWER DOWNLOAD EXAMIANS APP
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