Physics A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because A parachute has a larger surface area and air resistance is more Stone is heavier than parachute Special mechanisms are present in parachute None of these A parachute has a larger surface area and air resistance is more Stone is heavier than parachute Special mechanisms are present in parachute None of these 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. Equal to Less than Greater than or equal to Greater than Equal to Less than Greater than or equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
Physics Why does a cannon recoil after firing ? Backward thrust of gases produced Newton's first law of motion Conservation of energy Newton's third law of motion Backward thrust of gases produced Newton's first law of motion Conservation of energy Newton's third law of motion ANSWER DOWNLOAD EXAMIANS APP
Physics Man perceives sound vibrations in the frequency ranges of 11 – 20 Hz 20 – 20000 Hz 6 – 10 Hz 0 – 5 Hz 11 – 20 Hz 20 – 20000 Hz 6 – 10 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics The term ''Higgs Boson' is associated with Oncology Nano Technology Stem Cell Research God Particle Oncology Nano Technology Stem Cell Research God Particle ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve < Vp Cannot be determined Ve = Vp Ve > Vp Ve < Vp Cannot be determined Ve = Vp Ve > Vp ANSWER DOWNLOAD EXAMIANS APP
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