1
NEET 2020 Phase 1
+4
-1
Dimensions of stress are :
A
$$\left[ {M{L^{ 2}}{T^{ - 2}}} \right]$$
B
$$\left[ {M{L^{ 0}}{T^{ - 2}}} \right]$$
C
$$\left[ {M{L^{ - 1}}{T^{ - 2}}} \right]$$
D
$$\left[ {M{L^{}}{T^{ - 2}}} \right]$$
2
NEET 2020 Phase 1
+4
-1
The energy required to break one bond in DNA is 10-20 J. This value in eV is nearly :
A
0.6
B
0.06
C
0.006
D
6
3
NEET 2019
+4
-1
In an experiment, the percentage of error occurred in the measurement of physical quantities A, B, C and D are 1%, 2 %, 3 %and 4 % respectively. Then the maximum percentage of error in the measurement X, where
X = $${{{A^2}{B^{1/2}}} \over {{C^{1/3}}{D^3}}}$$, will be :
A
16%
B
-10%
C
10%
D
$$\left( {{3 \over {13}}} \right)$$%
4
NEET 2018
+4
-1
A student measured the diameter of a small steel ball using a screw gauge of least count 0.001 cm. The main scale reading is 5 mm and zero of circular scale division coincides with 25 divisions above the reference level. If screw gauge has a zero error of –0.004 cm, the correct diameter of the ball is
A
0.521 cm
B
0.525 cm
C
0.053 cm
D
0.529 cm
EXAM MAP
Medical
NEET