Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because The ringing is not loud enough There is no air or any other gas in the bell jar The bell jar is too small The glass of the bell jar absorbs the sound waves The ringing is not loud enough There is no air or any other gas in the bell jar The bell jar is too small The glass of the bell jar absorbs the sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics The device used for measuring the wavelength of X-rays is Mass Spectrometer Cyclotron G.M. Counter Bragg Spectrometer Mass Spectrometer Cyclotron G.M. Counter Bragg Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Positive feedback is used in Oscillators Amplifiers None of these Rectifiers Oscillators Amplifiers None of these Rectifiers ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has got more heat capacity ? Iron piece Water Benzene Gold piece Iron piece Water Benzene Gold piece ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Increases with decrease of temperature Decreases with decrease of temperature Decreases with increase of temperature Does not depend on temperature Increases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics One Kilowatt hour is equal to - 3.8 Mega Joule 4.0 Mega Joule 3.2 Mega Joule 3.6 Mega Joule 3.8 Mega Joule 4.0 Mega Joule 3.2 Mega Joule 3.6 Mega Joule ANSWER DOWNLOAD EXAMIANS APP
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