Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The glass of the bell jar absorbs the sound waves The bell jar is too small There is no air or any other gas in the bell jar The ringing is not loud enough The glass of the bell jar absorbs the sound waves The bell jar is too small There is no air or any other gas in the bell jar The ringing is not loud enough ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a renewable resource of energy? Hydrogen fuel Wind energy All of these Solar energy Hydrogen fuel Wind energy All of these Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has Long wavelength High frequency Low refraction in the medium High intensity Long wavelength High frequency Low refraction in the medium High intensity ANSWER DOWNLOAD EXAMIANS APP
Physics When milk is churned, the cream separates from it due to: Viscous forces Gravitational force Centrifugal force Frictional force Viscous forces Gravitational force Centrifugal force Frictional force ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Electrons Photons Photoelectrons Protons Electrons Photons Photoelectrons Protons ANSWER DOWNLOAD EXAMIANS APP
Physics If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be Double One Fourth Same Half Double One Fourth Same Half ANSWER DOWNLOAD EXAMIANS APP