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Test: Dimensional Formulae & Dimensional Equations (NCERT) - NEET MCQ


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5 Questions MCQ Test Physics Class 11 - Test: Dimensional Formulae & Dimensional Equations (NCERT)

Test: Dimensional Formulae & Dimensional Equations (NCERT) for NEET 2024 is part of Physics Class 11 preparation. The Test: Dimensional Formulae & Dimensional Equations (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Dimensional Formulae & Dimensional Equations (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Dimensional Formulae & Dimensional Equations (NCERT) below.
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Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 1

In a certain system, there are only two fundamental quantities - force and time. If their dimensions are [F] and [T] respectively, what are the dimensions of linear momentum in this system?

Detailed Solution for Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 1

Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 2

If E, m, l and G denote energy, mass, angular momentum and gravitational constant respectively, the quantity  has the dimensions of then

Detailed Solution for Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 2

[E] = [ML2 T−2], [m] = [M]
[l] = [ML2 T−1], [G] = [M−1 L3 T−2]

= [M0 L0 T0]
As angle has no dimensions, therefore  has the same dimensions as that of angle.

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Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 3

If power (P), surface tension (S) and Planck’s constant (h) are arranged so that the dimensions of time in their dimensional formulae are in ascending order, then which of the following is correct?

Detailed Solution for Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 3



The ascending order of dimensions of time in their dimensional formulae is P, S, h.

Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 4

The dimensions of Planck’s constant are the same as that of

Detailed Solution for Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 4

Energy of a photon, E = hυ
where h is the Planck's constant and υ is the frequency.

Angular momentum = Moment of inertia x Angular velocity (Angular momentum) 
= [ML2][T−1] = [ML2T−1]

Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 5

Match the Column I with Column II.

Detailed Solution for Test: Dimensional Formulae & Dimensional Equations (NCERT) - Question 5

(A) Pa s = [ML−1 T−2][T] = [ML−1T−1]
A - r

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