Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls Behind him Into his hand By his side In front of him Behind him Into his hand By his side In front of him ANSWER DOWNLOAD EXAMIANS APP
Physics A wave with high amplitude have High pitch Low pitch High energy Low energy High pitch Low pitch High energy Low energy ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of ultrasound wave is typically Above 20,000 kHz Below 20 kHz Above 20 kHz Below 02 kHz Above 20,000 kHz Below 20 kHz Above 20 kHz Below 02 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics What should a person on a freely rotating turn table do to decrease his (angular) speed ? Bring his hands together Raise his hands up Spread his hands outwards Sit down with raised hands Bring his hands together Raise his hands up Spread his hands outwards Sit down with raised hands ANSWER DOWNLOAD EXAMIANS APP
Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Reflection Refraction Damped vibrations Forced vibrations Reflection Refraction Damped vibrations Forced vibrations ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example of continous emission spectrum? None Spectrum of an oil frame Both Spectrum of a water None Spectrum of an oil frame Both Spectrum of a water ANSWER DOWNLOAD EXAMIANS APP