Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 4.2 seconds 42 years 4.2 years 42 seconds 4.2 seconds 42 years 4.2 years ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Energy Acceleration Displacement Velocity Energy Acceleration Displacement Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of resistance is: Coulomb Joule Newton Ohm Coulomb Joule Newton Ohm ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? 4.33 diopters 12.33 diopters -4.33 diopters -12.33 diopters 4.33 diopters 12.33 diopters -4.33 diopters -12.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that His weight may be reduced No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed His weight may be reduced No frictional force may be produced between the wheels and the axle Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. He may increase his speed ANSWER DOWNLOAD EXAMIANS APP
Physics Moving electric charge produces : Magnetic field Heat waves Light rays Sound waves Magnetic field Heat waves Light rays Sound waves ANSWER DOWNLOAD EXAMIANS APP