1
AIPMT 2011 Mains
MCQ (Single Correct Answer)
+4
-1
The density of a material in CGS system of units is 4 g cm$$-$$3. In a system of units in which unit of length is 10 cm and unit of mass is 100 g, the value of density of material will be
A
0.04
B
0.4
C
40
D
400
2
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The dimensions of $${\left( {{\mu _0}{\varepsilon _0}} \right)^{ - 1/2}}$$ are
A
$$\left[ {{L^{1/2}}{T^{ - 1/2}}} \right]$$
B
$$\left[ {{L^{ - 1}}T} \right]$$
C
$$\left[ {L{T^{ - 1}}} \right]$$
D
$$\left[ {{L^{1/2}}{T^{1/2}}} \right]$$
3
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
4
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
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