Physics The wall of a dam is broader at the base Because streamlining is required To withstand pressure that increases with depth To withstand pressure that is increased with atmospheric pressure To withstand pressure that increases in a horizontal plane Because streamlining is required To withstand pressure that increases with depth To withstand pressure that is increased with atmospheric pressure To withstand pressure that increases in a horizontal plane 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 and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only ANSWER DOWNLOAD EXAMIANS APP
Physics For a body moving with uniform acceleration its final velocity equals ________ Average velocity - initial velocity Average velocity + initial velocity 2 x average velocity - initial velocity 2 x average velocity + initial velocity Average velocity - initial velocity Average velocity + initial velocity 2 x average velocity - initial velocity 2 x average velocity + initial velocity ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Reflection Forced vibrations Damped vibrations Refraction Reflection Forced vibrations Damped vibrations Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will: Remain same Four times Three times Double Remain same Four times Three times Double ANSWER DOWNLOAD EXAMIANS APP
Physics The quality or tone of a musical sound produced by a stringed instrument depends on Length of the strings in the instrument Wave form of the sound Frequency of vibration Amplitude of vibration Length of the strings in the instrument Wave form of the sound Frequency of vibration Amplitude of vibration ANSWER DOWNLOAD EXAMIANS APP