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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is John Logie Baird Thomas Alva Edison James Clerk Maxwell Heinrich Hertz John Logie Baird Thomas Alva Edison James Clerk Maxwell Heinrich Hertz ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in degree Celsius), the numerical values on Celsius and Fahrenheit scales become equal? –273 40 –40 273 –273 40 –40 273 ANSWER DOWNLOAD EXAMIANS APP
Physics If the spinning speed of the earth is increased then the weight of body at the equator Increases Same Double Decreases Increases Same Double Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Zero Less than the weight of the man Greater than the weight of the man Same as the weight of the man Zero Less than the weight of the man Greater than the weight of the man Same as the weight of the man ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Twinkling of stars Working of binoculars Formation of rainbow Formation of mirage Twinkling of stars Working of binoculars Formation of rainbow Formation of mirage ANSWER DOWNLOAD EXAMIANS APP
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