Physics The intensity ratio of waves is 25 : 9. What is the ratio of their amplitudes? 1.0479166666667 2.0958333333333 0.12847222222222 0.21041666666667 1.0479166666667 2.0958333333333 0.12847222222222 0.21041666666667 ANSWER DOWNLOAD EXAMIANS APP
Physics The best conductor of electricity among the following is : Silver Iron Aluminium Copper Silver Iron Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is John Logie Baird James Clerk Maxwell Thomas Alva Edison Heinrich Hertz John Logie Baird James Clerk Maxwell Thomas Alva Edison Heinrich Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Increase Will increase first and then dcrease Dacrease Remain constant Increase Will increase first and then dcrease Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Ultraviolet and visible region Gamma-rays and ultraviolet region Visible and infra-red region Short radio waves and long radio waves Ultraviolet and visible region Gamma-rays and ultraviolet region Visible and infra-red region Short radio waves and long radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics Inside an aeroplane, flying at a high altitude, the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. the pressure is the same as that outside. the pressure inside is less than the pressure outside. normal atmospheric pressure is maintained by the use of air pumps. normal humidity and partial vacuum are maintained. ANSWER DOWNLOAD EXAMIANS APP
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