1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The errors in the measurement which arise due to unpredictable fluctuations in temperature and voltage supply are :

A
Personal errors
B
Least count errors
C
Random errors
D
Instrumental errors
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

A metal wire has mass $$(0.4 \pm 0.002) ~\mathrm{g}$$, radius $$(0.3 \pm 0.001) ~\mathrm{mm}$$ and length $$(5 \pm 0.02) ~\mathrm{cm}$$. The maximum possible percentage error in the measurement of density will nearly be :

A
1.3%
B
1.6%
C
1.4%
D
1.2%
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The physical quantity that has the same dimensional formula as pressure is

A
Coefficient of viscosity
B
Force
C
Momentum
D
Young's modulus of elasticity
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The percentage error in the measurement of g is : (Given that $$g = {{4{\pi ^2}L} \over {{T^2}}}$$, $$L = (10\, \pm \,0.1)$$ cm, $$T = (100\, \pm \,1)$$ s)

A
7%
B
2%
C
5%
D
3%
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