Physics The atmospheric air is held to the Earth by : Winds Gravity Rotation of the Earth Clouds Winds Gravity Rotation of the Earth Clouds ANSWER DOWNLOAD EXAMIANS APP
Physics Sound waves in air are polarised electromagnetic longitudinal transverse polarised electromagnetic longitudinal transverse ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes work on the principle of Newton's law Pascal's law Thomson's law Bernoulli's theorem Newton's law Pascal's law Thomson's law Bernoulli's theorem ANSWER DOWNLOAD EXAMIANS APP
Physics Why does'nt the hydrogen atom emit X-rays? It is very small in size Its energy levels are very close to each other It has only one electron It is highly electropositive It is very small in size Its energy levels are very close to each other It has only one electron It is highly electropositive 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 14C 7C C C/7 14C 7C C C/7 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 5 R/4 R/5 5 R 4 R/5 5 R/4 R/5 5 R ANSWER DOWNLOAD EXAMIANS APP