Physics Choose the most appropriate answer: In which atmospheric layer are the communication satellites located? Ionosphere Mesosphere Stratosphere Troposphere Ionosphere Mesosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Physics The tidal waves on sea is mainly due to Gravitational Effect of Sun on Earth Gravitational Effect of Moon on Earth Gravitational Effect of Earth on Moon None of these Gravitational Effect of Sun on Earth Gravitational Effect of Moon on Earth Gravitational Effect of Earth on Moon None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The rotational effect of a force on a body about an axis of rotation is described in terms of Centrifugal force Centripetal force Moment of force Centre of gravity Centrifugal force Centripetal force Moment of force Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Interference Refraction Reflection Scattering Interference Refraction Reflection Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 0.41666666666667 24 A 8.5 A 0.41666666666667 24 A 8.5 A ANSWER DOWNLOAD EXAMIANS APP