Melting and Solidification Quizzes Online MCQs PDF Download eBook

MCQ: In the process of solidification, change of state that takes place is

1. Liquid to solid
2. Gas to solid
3. Gas to liquid and then to solid
4. Semi-solid to solid

MCQ: An electrical wire resists 600 Ω at ice point and 700 Ω at steam point, and the resistance of wire is 610 Ω the room temperature would be

1. 15 °C
2. 10 °C
3. 25 °C
4. 50 °C

MCQ: Feature of the laboratory thermometer that makes it responsive is

1. The thin-walled glass bulb
2. The small bulb containing a small amount of liquid
3. The fine as well as uniform bore of the capillary tube
4. The relatively small size of the thermometer

MCQ: One watt is equal to

1. One joule per second
2. One second per joule
3. One meter per joule
4. One joule per meter

MCQ: Statement related to the waves that is incorrect is

1. It provides a mechanism for transfer of energy from one point to another without the transfer of material
2. All waves have the same speed i.e. equal to 3×10⁸ m s^-1
3. The source of any wave is vibration or oscillation
4. All of the above