Diamagnetism MCQs with Answers PDF – Download Test 180

MCQ 896: Diamagnetic material does not exhibit magnetism until they are placed in an external:

1. electric field
2. magnetic field
3. mechanical field
4. electromagnetic field

MCQ 897: Computational value of Stefan-Boltzmann constant is:

1. 1.38x10^-23 W/m².K⁴
2. 5.67x10^-8 W/m².K⁴
3. 5.67x10⁸ W/m².K⁴
4. 1.67x10⁸ W/m².K⁴

MCQ 898: Planck constant is measured in:

1. Joule/second
2. Joule.second
3. Farad/meter
4. Henry/meter

MCQ 899: If a wave traveling along a string is y(x,t)=0.0032sin(72.1x-2.72t), in which numerical constants are in SI units i.e. 0.0032m, 72.1rad/m and 2.72rad/s, then amplitude of wave is:

1. 0.0032 m
2. 72.1 m
3. 2.72 m
4. 2.37 m

MCQ 900: Energy equal to work required to move a single elementary charge e to the potential difference of one volt is called:

1. One proton volt
2. One electron volt
3. One neutron volt
4. One photon volt