Physics A small drop of oil spreads over water because : Water has a higher viscosity Oil has a higher viscosity Water has a higher surface tension Oil has a higher surface tension Water has a higher viscosity Oil has a higher viscosity Water has a higher surface tension Oil has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics The best material for the core of a transformer is Hard steel Soft iron Stainless steel Mild steel Hard steel Soft iron Stainless steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Physics Permissible noise level at Residential area during night time is : 55 dB (A) 80 dB (A) 75 dB (A) 45 dB (A) 55 dB (A) 80 dB (A) 75 dB (A) 45 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? Both A & B These make work easier None of these Work input > work output Both A & B These make work easier None of these Work input > work output ANSWER DOWNLOAD EXAMIANS APP
Physics The Hydraulic Break works on the principle of ________ . Boyle's law Bernouli's law Pascal's Law Coulomb's law Boyle's law Bernouli's law Pascal's Law Coulomb's law ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. ANSWER DOWNLOAD EXAMIANS APP