Physics In MRI machine, which one of the following is used? X-ray Ultra-sound wave Magnetic wave Sound wave X-ray Ultra-sound wave Magnetic wave Sound wave ANSWER DOWNLOAD EXAMIANS APP
Physics Of the following properties of a wave, the one that is independent of the other is its frequency amplitude velocity wavelength frequency amplitude velocity wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics The layer of atmosphere used for radio-wave transmission is Troposphere Ionosphere Chromosphere Stratosphere Troposphere Ionosphere Chromosphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Reflection Refraction Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension Due to its shape The density of needle is less than that of water It will remain under the water, when it will displace more water than its weight Due to surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Depth of ocean is measured by Aerometer Animometer Siesmometer Fathometer Aerometer Animometer Siesmometer Fathometer ANSWER DOWNLOAD EXAMIANS APP
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