Physics Which of the following parts of the sunlight makes the solar cooker hot ? Red light Infra red Ultra violet Cosmic rays Red light Infra red Ultra violet Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? K1+k2/k1k2 2k1k2/k1+k2 None K1k2/k1+k2 K1+k2/k1k2 2k1k2/k1+k2 None K1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics Stars are held together by Ionic forces Gravitational forces Magnetic forces Electrical forces Ionic forces Gravitational forces Magnetic forces Electrical forces ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Visible and infra-red region Short radio waves and long radio waves Gamma-rays and ultraviolet region Ultraviolet and visible region Visible and infra-red region Short radio waves and long radio waves Gamma-rays and ultraviolet region Ultraviolet and visible region ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a pendulum when taken to the Moon would: Decrease Remain the same Become zero Increase Decrease Remain the same Become zero Increase ANSWER DOWNLOAD EXAMIANS APP
Physics A galvanometer can be converted into a voltmeter by connecting with it a High resistance on series High resistance in parallel Low resistance on parallel Low resistance in series High resistance on series High resistance in parallel Low resistance on parallel Low resistance in series ANSWER DOWNLOAD EXAMIANS APP