WBJEE SERIES
Physics

Units Dimensions And Measurements

3 previous year questions.

Volume: 3 Ques
Yield: Medium

High-Yield Trend

2
2026
1
2024

Chapter Questions
3 MCQs

01
PYQ 2024
hard
physics ID: wbjee-20
The Power radiated from an accelerated charged particle is given by , where is the charge, is the acceleration, and is the speed of light in vacuum. From dimensional analysis, the value of and respectively are:
1
m = 2, n = 2
2
m = 2, n = 3
3
m = 3, n = 3
4
m = 0, n = 1
02
PYQ 2026
medium
physics ID: wbjee-20
If the dimensions of length are expressed as , where , and are gravitational constant, speed of light and Planck’s constant respectively, then
1

2

3

4
03
PYQ 2026
medium
physics ID: wbjee-20
A quantity is given by where is permittivity of free space, is length, is potential difference and is time interval. The dimension of is same as that of
1
Resistance
2
Charge
3
Voltage
4
Current

About Units Dimensions And Measurements - WBJEE

Units Dimensions And Measurements is a vital chapter for WBJEE aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Units Dimensions And Measurements PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Units Dimensions And Measurements carry the most weight. Then, tackle the questions iteratively to solidify your understanding.