Physics

1.05 x 10³s

1.05 x 10⁵s

1.05 x 10²s

1.05 x 10⁴s

prevent heat loss or gain by conduction, convection and radiation

store hot tea or water

prevent heat gain by conduction, convection and radiation

prevent heat lost by conduction, convention and radiation

the glass will break

the glass will shrink

the liquid will rise up in the stem

the liquid will go down in the stem

petrol takes its latent heat of veporization from the finger

petrol takes its latent heat of fusion from the finger

water is more viscious than petrol

water has higher surface tension dan petrol

R < r

R = r

R = 2r

R > r