Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Hard-Class 12
Imagine a physical balance setup with a central pillar V, a beam B with a pointer P at the center, and pans P1 and P2. The beam rests on knife-edge E when in use and on supports X1 and X2 when not in use. Which component ensures the beam's horizontal alignment during measurement?
A
Levelling screws W1 and W2
B
Arresting mechanism of the beam B
C
The plumb line R
D
Knob K
Correct Answer
Option A
Detailed Explanation
Levelling screws W1 and W2 are used to level the wooden baseboard W of the physical balance, ensuring proper horizontal alignment for accurate measurements.
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