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The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field, is:
Options
(a) ML²T⁻²
(b) ML⁻¹T⁻²
(c) ML²T⁻¹
(d) MLT⁻¹
Correct Answer:
ML⁻¹T⁻²
Explanation:
1/2 ?￢ﾂﾀE² represents energy density i.e., energy per unit volume.
⇒ [ 1/2 ?￢ﾂﾀE² ] = ML²T⁻² / L³
= ML⁻¹T⁻²
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Question Type: Memory
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The heart of a man pumps 5 litres of blood through the arteries per minute at
- Core of electromagnets are made of ferromagnetic material which has
- ₆C¹⁴ absorbs an energitic neutron and emits beta particles. The resulting nucleus is
- Two parallel beams of positron moving in the same direction will
- Young’s modulus of the material of a wire is 18×10¹¹ dyne cm⁻².its value in SI is
Question Type: Memory (964)
Difficulty Level: Easy (1008)
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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