Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Easy-Class 12
In a diagram of a physical balance, the beam B is raised with the help of a knob K. Which of the following is a necessary step before raising the beam?
A
Ensure the pans are clean and dry.
B
Check that the forceps are dust-free.
C
Make sure the pointer P is at the central zero mark.
D
Verify the completeness of the weight set.
Correct Answer
Option A
Detailed Explanation
Before raising the beam B using the knob K, it is necessary to ensure that the pans are clean and dry, as stated in the NCERT context.
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