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The dimensional formula for Young’s modulus is
Options
(a) [ML⁻¹T⁻²]
(b) [M⁰LT⁻²]
(c) [MLT⁻²]
(d) [ML²T⁻²]
Correct Answer:
[ML⁻¹T⁻²]
Explanation:
Young’s modulus Y=Stress/Strain=(Force/Area)/(elongation/Iength)
Y=[MLT⁻²][L]/[L²][L] = [ML⁻¹T⁻²]
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Topics: Physical World and Measurement
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
- An unpolarised beam of intensity I₀ falls on a polaroid. The intensity
- The respective speeds of the molecules are 1,2,3,4 and 5 km/s.
- A system consists of three masses m₁, m₂ and m₃ connected by a string passing
- In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs,
Topics: Physical World and Measurement (103)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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