1
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A student measures the distance traversed in free fall of a body, initially at rest, in a given time. He uses this data to estimate g, the acceleration due to gravity. If the maximum percentage errors in measurement of the distance and the time are e1 and e2 respectively, the percentage error in the estimation of g is
A
e2 $$-$$ e1
B
e1 + 2e2
C
e1 + e2
D
e1 $$-$$ 2e2
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The dimension of $${1 \over 2}{\varepsilon _0}{E^2}$$, where $${\varepsilon _0}$$ is permittivity of free space and E is electric field, is
A
ML2T$$-$$2
B
ML$$-$$1T$$-$$2
C
ML2T$$-$$1
D
MLT$$-$$1
3
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
If the dimensions of a physical quantity are given by MaLbTc, then the physical quantity will be
A
velocity if   a = 1, b = 0, c = $$-$$1
B
acceleration if   a = 1, b = 1, c = $$-$$2
C
force if   a = 0, b = $$-$$1, c = $$-$$2
D
pressure if   a = 1, b = $$-$$1, c = $$-$$2
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
Which two of the following five physical parameters have the same dimensions ?
1.  Energy density
2.  Refractive index
3.  Dielectric constant
4.  Young's modulus
5.  Magnetic field
A
1 and 4
B
1 and 5
C
2 and 4
D
3 and 5
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