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If the dimensions of a physical quantity are givenby Mᵃ Lᵇ Tᶜ, then the physical quantity will be:
Options
(a) Velocity if a= 1, b = 0, c = – 1
(b) Acceleration if a= 1, b = 1, c = – 2
(c) Force if a = 0, b = – 1, c = – 2
(d) Pressure if a = 1, b= – 1,c = – 2
Correct Answer:
Pressure if a = 1, b= – 1,c = – 2
Explanation:
Pressure = MLT⁻² / L² = ML⁻¹T⁻²
⇒ a= 1, b= -1, c= -2.
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Physical World and Measurement
(103)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A mass m moving horizontally (along the x-axis) with velocity v collides and sticks
- In an a.c circuit the e.m.f. (e) and the current (i) at any instant are given
- The wavelength of Kα line in copper is 1.5Å. The ionisation energy of K electron in copper is
- A 200 W sodium street lamp emits yellow light of wavelength 0.6 µm
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
Question Type: Memory (964)
Difficulty Level: Easy (1008)
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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