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A thin wire of length L and mass M is bent to form a semicircle. What is the gravitational field at the centre?
Options
(a) πGM/L² along the line joining the ends
(b) πGM/L² perpendicular to the above line
(c) 2πGM/L² along the line joining the ends
(d) 2πGM/L² perpendicular to the above line
Correct Answer:
2πGM/L² perpendicular to the above line
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.
- The dimensions of pressure are equal to those of
- A circular coil of radius 10cm and 100 turns carries a current 1 A.
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A and B are two metals with threshold frequencies 1.8 x 10¹⁴ Hz and 2.2 x 10¹⁴ Hz.
- The dimensions of pressure are equal to those of
- A circular coil of radius 10cm and 100 turns carries a current 1 A.
- Resistances n, each r Ω, when connected in parallel give an equivalent resistance
- The work of 146 kJ is performed in order to compress one kilo mole fo gas adiabatically
Topics: Oscillations (58)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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