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
Monday, October 7, 2024
Thursday, October 3, 2024
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
Wednesday, October 2, 2024
Saturday, September 28, 2024
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