Upsc update 2025

THE UPSC 2025 NEW UPDATES 

 THE EXAM DATE  FOR THE CIVIL SERVICE S PRELIMS EXAM IS 25TH MAY 2025.

UPSC CSE NOTIFICATION 

2025 WILL BE  RELATED ON 22 JANUARY 2025

THE LAST DATE TO APPLY ONLINE FOR THE EXAM WILL BE 11 FEBRUARY 2025

11 Physics Practice Question

Write by Geleswar

FIRST CHAPTER                         [Physics] 11 

  PHYSICAL WORD AND MEASUREMENT

         (UNITS AND MEASUREMENT)

(1) What are the significant figures of following measurement:

(a)5.89cm       (a)38.25kg        (c)3.0089g

(d)0.0059cm   (e)2.39×10⁵kg  (f)3700m        

(f)16.0s           (16.000kg

[ANS].(A)3,(b)4,(c)5,(d)2,(e)3,(f)2,(g)3,(h)5

(2)Express the following results with due regard to significant figure.

(A)3.897+15.2     (b)38.25kg    (c)27.152+3.08

(d)15.2867-9.38  (e)3.952-0.098 (f)12.98×3.2

(g)38.005×0.008 (h)9.58÷3.2      (i)7.925÷0.0059

[ANS](a)19.1,(b)20.0,(c)30.2,(d)5.91,(e)3.9,(f)42,(g)0.3,(h)3.0,(i)1300

(3) A cylinder has a length of 8.9m and a radius of 2.543m. Express its surface area and volume upto the appropriate significant figures.

[ANS] area 180m²,Volume 180m³

(4)The dimension of a block are 5.438m×1.87m. Express its volume in appropriate significant figures.

[ANS]29.8m³

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