Gas Pressure MCQs with Answers PDF Download – Test 116

MCQ 576: A manometer containing mercury of density 1.36 × 10³ kg m^-3 connected to a gas supply. What is the pressure of gas supply in cm Hg?

1. 54 cm Hg
2. 39 cm Hg
3. 81 cm Hg
4. 70 cm Hg

MCQ 577: Light ray reflected from the reflecting surface is called:

1. reflected ray
2. refracted ray
3. normal
4. incident ray

MCQ 578: To illustrate uniform and non-uniform acceleration for motions in a straight line, we can use:

1. velocity-distance graphs
2. displacement-time graphs
3. speed-time graphs
4. speed-displacement graphs

MCQ 579: The thermal energy required to change the substance from liquid to vapor state, or vice versa, without any temperature change is known as:

1. specific latent heat of fusion
2. latent heat of vaporization
3. latent heat of fusion of a solid
4. specific latent heat of vaporization

MCQ 580: When a pure liquid is heated and it changes to vapor at a fixed temperature, the state is called:

1. boiling
2. condensation
3. solidification
4. fusion