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 bell jar is too small There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves The ringing is not loud enough The bell jar is too small There is no air or any other gas in the bell jar The glass of the bell jar absorbs the sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics When pressure is increased the melting point of ice Depends on the impurities in the ice Increases Decreases Does not change Depends on the impurities in the ice Increases Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics Noise is measured in Decibel Centigrade REM Watt Decibel Centigrade REM Watt ANSWER DOWNLOAD EXAMIANS APP
Physics A hydrogen balloon floats up because of Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it Weight of the balloon is less than the weight of air displaced by it. Air pressure decreases with decrease in height Air pressure decreases with decrease in weight The pressure inside the balloon is more than the pressure outside it ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 273°C 4°C 100°C 0°C 273°C 4°C 100°C 0°C ANSWER DOWNLOAD EXAMIANS APP
Physics How much calorie of energy is released by a boiled egg ? 77 60 50 40 77 60 50 40 ANSWER DOWNLOAD EXAMIANS APP