Physics A bomb explodes on the moon. You will hear its sound on earth after ________ You cannot hear the sound of explosion 20 minutes 2 hours 20 minutes 3.7 hours You cannot hear the sound of explosion 20 minutes 2 hours 20 minutes 3.7 hours ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of ________ . The centripetal force Illusion of the man Pressure difference due to fast moving air in between Gravitational force between train and man The centripetal force Illusion of the man Pressure difference due to fast moving air in between Gravitational force between train and man ANSWER DOWNLOAD EXAMIANS APP
Physics Which resource is both renewable and inexpensive? Gold Sunlight Minerals Coal Gold Sunlight Minerals Coal ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Greater than Greater than or equal to Equal to Less than Greater than Greater than or equal to Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Physics Purpose of an optical filter is to Refract light of different colours Transmit or absorb light of different colours Reflect lights of different colours Dispense light into component colours Refract light of different colours Transmit or absorb light of different colours Reflect lights of different colours Dispense light into component colours ANSWER DOWNLOAD EXAMIANS APP
Physics Outside of cooking utensils are generally left black from below because Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. Black surface is a good conductor of heat. It is difficult to clean daily. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. ANSWER DOWNLOAD EXAMIANS APP