Melting Points Quiz Questions and Answers PDF - 261

MCQ 1301: 2227°C is melting point of

1. Copper
2. Hafnium
3. Zinc
4. Zicronium

MCQ 1302: The law which states that PV = n(R)T, where P is pressure, V is volume, n is the number of moles of molecules, T is the absolute temperature, and R is the gas constant is termed as

1. practical gas law
2. ideal gas law
3. unified gas law
4. filtered gas law

MCQ 1303: Silicon semiconductor has charge carrier density of

1. 0.29x10²⁸ m^-3
2. 8.49x10²⁸ m^-3
3. 1x10² m^-3
4. 1x10¹⁶ m^-3

MCQ 1304: Internal energy present in a system due to its temperature is called

1. gravitational potential energy
2. thermal energy
3. elastic potential energy
4. static frictional energy

MCQ 1305: Magnetic moment of electron is

1. 1.41x10^-26 J/T
2. 9.28x10^-24 J/T
3. 5.05x10^-27 J/T
4. 1.28x10^-24 J/T