Physics The time period of a seconds pendulum is 1.5 second 0.5 second 1 second 2 seconds 1.5 second 0.5 second 1 second 2 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed ANSWER DOWNLOAD EXAMIANS APP
Physics Rate of change of momentum is Force Velocity Area Pressure Force Velocity Area Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 6 cm 1 cm 12 cm 24 cm 6 cm 1 cm 12 cm 24 cm ANSWER DOWNLOAD EXAMIANS APP
Physics The spring balance works on the principle of ________ . Hooke's Law Boyle's Law Bernoulli's principle Pascal's Law Hooke's Law Boyle's Law Bernoulli's principle Pascal's Law ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction, convection and radiation Conduction and convection only Conduction and radiation only Convection and radiation only Conduction, convection and radiation Conduction and convection only Conduction and radiation only Convection and radiation only ANSWER DOWNLOAD EXAMIANS APP