1
JEE Main 2019 (Online) 10th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the formula X = 5YZ2 , X and Z have dimensions of capacitance and magnetic field, respectively. What are the dimensions of Y in SI units?
A
[M–3L–2T8A4]
B
[M–2L–2T6A3]
C
[M–1L–2T4A2]
D
[M–2L0 T–4A–2]
2
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The area of a square is 5.29 cm2. The area of 7 such squares taking into account the significant figures is :-
A
37.0 cm2
B
37 cm2
C
37.030 cm2
D
37.03 cm2
3
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the density measurement of a cube, the mass and edge length are measured as (10.00 ± 0.10) kg and (0.10 ± 0.01) m, respectively. The error in the measurement of density is :
A
0.01 kg/m3
B
0.10 kg/m3
C
0.31 kg/m3
D
0.07 kg/m3
4
JEE Main 2019 (Online) 8th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
If surface tension (S), Moment of inertia (I) and Planck's constant (h), were to be taken as the fundamental units, the dimensional formula for linear momentum would be :-
A
S1/2I1/2h0
B
S3/2I1/2h0
C
S1/2I1/2h-1
D
S1/2I3/2h-1
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