Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 12
Which of the following statements about the operation of a physical balance is correct?
A
Weighing hot bodies on a physical balance is advisable for accuracy.
B
The accuracy of a physical balance is limited to 1 mg.
C
Dust on the forceps can improve measurement accuracy.
D
Levelling screws should not be used when setting up a physical balance.
Correct Answer
Option B
Detailed Explanation
The accuracy of the physical balance is indeed stated to be 1 mg, which limits possible instrumental errors. Weighing hot bodies and using dust-covered forceps can introduce errors, while levelling screws should be used to ensure correct setup.
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