Physics Stars in the sky appear to twinkle due to Multiple diminishing brightness A series of refractions A surface tension phenomenon A series of reflections Multiple diminishing brightness A series of refractions A surface tension phenomenon A series of reflections ANSWER DOWNLOAD EXAMIANS APP
Physics An egg sinks in soft water but floats in a concentrated solution of salt because Albumin dissolves in salt solution and egg becomes lighter The density of salt solution exceeds the density of eggs Egg absorbs salt from the solution and expands Water has high surface tension Albumin dissolves in salt solution and egg becomes lighter The density of salt solution exceeds the density of eggs Egg absorbs salt from the solution and expands Water has high surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Submerged objects can be located using Quasar Pulsar Sonar Radar Quasar Pulsar Sonar Radar ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 4 R/5 R/5 5 R 5 R/4 4 R/5 R/5 5 R 5 R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is: 7 6 3 5 7 6 3 5 ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Refraction Forced vibrations Damped vibrations Reflection Refraction Forced vibrations Damped vibrations Reflection ANSWER DOWNLOAD EXAMIANS APP