Electron Microscope and Techniques Multiple Choice Questions (MCQ) PDF - 152

MCQ 756: Electrons can be focused by bending their paths in

1. electric field
2. magnetic field
3. both a and b
4. electromagnetic field

MCQ 757: Pressure transmitter detects the

1. saturation
2. dust
3. fibers
4. roller cotton

MCQ 758: What is the distance between the needles in pre-carding units ranges from?

1. inches
2. micrometers
3. millimeters
4. meters

MCQ 759: Clothing/s for Herrison's cylinder is/are

1. clothing with round needles
2. spiked disk clothings
3. both a and b
4. needles clothing

MCQ 760: Optical diffraction including optical microscopy, even by using ultraviolet radiation will give information only on

1. coarse features of fibers
2. fibre structure
3. structure spacing greater than 0.1 micrometer
4. all of above