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 Why does a cannon recoil after firing ? Newton's third law of motion Newton's first law of motion Backward thrust of gases produced Conservation of energy Newton's third law of motion Newton's first law of motion Backward thrust of gases produced Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics Ampere second could be the unit of Energy Charge Power Conductance Energy Charge Power Conductance ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetism in materials is due to Circular motion of electrons Protons at rest All neutrons at rest Electrons at rest Circular motion of electrons Protons at rest All neutrons at rest Electrons at rest ANSWER DOWNLOAD EXAMIANS APP
Physics When temperature difference between liquid and its surroundings is doubled, the rate of loss of heat will: Four times Remain same Three times Double Four times Remain same Three times Double ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Closed fluorescent lamp Constantan filament lamp Closed filament lamp Compact fluorescent lamp Closed fluorescent lamp Constantan filament lamp Closed filament lamp Compact fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP
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