Latent Heat Quiz Questions and Answers PDF Download - 97

Boiling is

1. slower than evaporation
2. quicker than evaporation
3. same as evaporation
4. totally different thing

A physical quantity consists of a

1. Analogical Magnitude
2. Numerical magnitude
3. Alphabetical Magnitude
4. Symbolic Magnitude

A thermometer that is alcohol-in-glass thermometer has l₁₀₀ 23 cm and l₀ is 8 cm. If the l_θ is 2 cm the temperature of the thermometer would be

1. −10 °C
2. −20 °C
3. −30 °C
4. −40 °C

For an object of mass 4 kg, the incorrect statement is

1. Weight of the object on earth = 10 × Mass of the object on earth
2. Mass of the object on earth = Mass of the object on moon
3. Weight of the object on earth = 1 ⁄ 6 × Weight of the object on moon
4. Weight of the object on moon = 1 ⁄ 6 × Weight of the object on earth

Two forces of magnitude 5 N and 10 N act on a wooden block of mass 2 kg. If 5 N force acts towards right and 10 N force acts towards left, which of the following statements is correct?

1. Resultant force is 15 N towards the left
2. Resultant force is 15 N towards the right
3. Resultant force is 5 N towards the right
4. Resultant force is 5N towards the left