Physics Optical fibre works on which of the following principle of light? Diffraction Total internal reflection Reflection Refraction Diffraction Total internal reflection Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics As water is cooled from 4 deg C to 0 deg C, its density Decreases Increases None of these Remains same Decreases Increases None of these Remains same ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become C C/7 14C 7C C C/7 14C 7C ANSWER DOWNLOAD EXAMIANS APP
Physics Acceptable noise level for human ear None of these = 85 db > 85 db < 85 db None of these = 85 db > 85 db < 85 db ANSWER DOWNLOAD EXAMIANS APP
Physics A rear-view mirror for driving is Convex Concave Plain Inverted Convex Concave Plain Inverted ANSWER DOWNLOAD EXAMIANS APP
Physics Pycnometer is an instrument used to measure the High temperatures Density Intensity of earthquake Intensity of solar radiation High temperatures Density Intensity of earthquake Intensity of solar radiation ANSWER DOWNLOAD EXAMIANS APP