Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It has a high latent heat of fusion It becomes very hard It has a low specific heat capacity It reflects most of the heat from the sun It has a high latent heat of fusion It becomes very hard It has a low specific heat capacity It reflects most of the heat from the sun ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics Sound is heard over longer distances on rainy days because Sound travels slowly in moist air Moist air does not absorb sound Sound travels faster in moist air Moist air absorbs sound Sound travels slowly in moist air Moist air does not absorb sound Sound travels faster in moist air Moist air absorbs sound ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of force is a Fundamental Unit None of these Basic Unit Derived Unit Fundamental Unit None of these Basic Unit Derived Unit ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? Contracts Expands It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Contracts Expands It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because Centre of gravity and centre of equilibrium fall within the feet Weights of buckets are balanced Resultant weight of buckets is zero Centre of gravity falls within the body Centre of gravity and centre of equilibrium fall within the feet Weights of buckets are balanced Resultant weight of buckets is zero Centre of gravity falls within the body ANSWER DOWNLOAD EXAMIANS APP