Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved Accidents due to expansion in summer can be avoided Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Steel can be saved ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is immersed in a liquid, the force acting on it is Upthrust Mass Both (A) and (B) Weight Upthrust Mass Both (A) and (B) Weight ANSWER DOWNLOAD EXAMIANS APP
Physics While catching a ball, a player pulls down his hands to lower the– Catching time Force Impulse Momentum Catching time Force Impulse Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Which planet has the lowest density? Earth Saturn Neptune Jupiter Earth Saturn Neptune Jupiter ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Earth Moon Saturn Venus Earth Moon Saturn Venus ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in moist air is more than in dry air because the moist air has More pressure than dry air. Less pressure than dry air. More density than dry air. Less density than dry air. More pressure than dry air. Less pressure than dry air. More density than dry air. Less density than dry air. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS