- mercury is a metal.
- density of mercury is greater than that of water.
- cohesion of mercury is greater than its adhesion with glass.
- cohesion of water is greater than its adhesion with glass.
Answer: Option 1 When hot liquid is poured into a thick glass tumbler, it cracks because glass is a bad conductor of heat so only inner surface expands.
1 Answers 1 viewsAnswer: Option 2 The density of steel usually ranges between 7.75 and 8.05 g/cm3 and the density of mercury is 13.534 g/cm3. Mercury is denser than steel this will mean...
1 Answers 1 viewsAnswer: Option 3 On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because cohesion of mercury...
1 Answers 1 viewsAnswer: Option 4 Let'
1 Answers 1 viewsAnswer: Option 2 Let'
1 Answers 1 viewsAnswer: Option 2 Let'
1 Answers 4 viewsAnswer: Option 3 Let'
1 Answers 1 viewsAnswer: Option 2 Let'
1 Answers 1 viewsAnswer: Option 3 The following that are true regarding ionosphere are The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become...
1 Answers 1 views