sweetygannerla
Asked:
December 2022
the conductivity range of insulators and non conductors is same but insulators can be charged by rubbing wheras nonconductors purely resist flow of electricty.please explain insulators non conductors and semi conductors.
sweetygannerla
Asked:
December 2022
at constant volume,temperature is increased then----1.collision on walls will be less 2.number of collisions per unit time will increase 3.collisions will be in straight line 4.collisions will not change
sweetygannerla
Asked:
December 2022
at a given volume and temperature the presure of a gas will vary 1.directly proprtional to the mass of a gas 2.inversely proportional to mass of gas 3.linearly as the square of the mass of the gas 4.inversely as the square of the mass. please explain your answer
a cylinder of fixed capacity 67.2 litres contains helium gas at st.p.the amount of heat required to raise the temperature of the gas by 15 degree celsius is(R=8.31 j/mol/k) a.520j b.560.9j c.620j d.621.2j plz explain with solution
sweetygannerla
Asked:
December 2022
in a given species of tobacco there is 0.1mg of virus per c.c.the mass of virus is 4x10000000 kg per kilomole.the number of the molecules of virus present in 1 c.c. will be? plz explain with solution
sweetygannerla
Asked:
December 2022
a fixed amount of dry air at temperature of 27degree celsius is compressed to 1/9 of its original volume.its final temperature is?(gamma=1.5) a.627degree celsius b.600degree celsius c.158 degree celius d.527 degree celsius plz explain with solution
a cylinder of fixed capacity 67.2 litres contains helium gas at st.p.the amount of heat required to raise the temperature of the gas by 15 degree celsius is(R=8.31 j/mol/k) a.520j b.560.9j c.620j d.621.2j plz explain with solution
sweetygannerla
Asked:
December 2022
one gram of water on evaporation at atmospheric pressure forms 1671cm3 of steam.heat of vaporisation at this pressure is 540 cal/gm. the increase in internal energy is....? a.250cal b.500cal 3.1000cal 4.1500cal
sweetygannerla
Asked:
December 2022
In a stretched string the number of loops changes from 5 to 4 by adding weight of 0.018 kg inn sonometer experiment.the initial tension in the string is ----------kg weight. a)0.032 b)0.004 c)0.8 d)0.64.....plz explain with clear solution.......