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Applied Physics Practice Test 29

# PN Junction Quiz Questions and Answers PDF - 29

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## PN Junction Questions and Answers : Quiz 29

MCQ 141:

Photo diode is used for the detection of

1. visible light
2. invisible light
3. no light
4. both a and b
MCQ 142:

When axis of rotation is fixed, angular velocity is considered as

1. scalar quantity
2. vector quantity
3. physical quantity
4. both a and b
MCQ 143:

If two vectors have same magnitude and are parallel to each other, then they are said to be

1. same
2. different
3. negative
4. equal
MCQ 144:

A racing car has a body with

1. laminated design
2. turbulent design
3. flat design
4. streamlined design
MCQ 145:

Energy from the gravitational field is the energy obtained from

1. wind
2. biomass
3. coal
4. tides