1
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Which one of the following is not a common component of Photochemical smog?
A
Ozone
B
Acrolein
C
Peroxyacetyl nitrate
D
Chlorofluorocarbons
2
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
If force (F), velocity (V) and time (T) are taken as fundamental units, then dimensions of mass are
A
$$\left[ {FV{T^{ - 1}}} \right]$$
B
$$\left[ {FV{T^{ - 2}}} \right]$$
C
$$\left[ {F{V^{ - 1}}{T^{ - 1}}} \right]$$
D
$$\left[ {F{V^{ - 1}}T} \right]$$
3
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
A projectile is fired from the surface of the earth with a velocity of 5 m s$$-$$1 and angle $$\theta $$ with the horizontal. Another projectile fired from another planet with a velocity of 3 m s$$-$$1 at the same angle follows a trajectory which is identical with the trajectory of the projectile fired from the earth. The value of the acceleration due to gravity on the planet is (in m s$$-$$2) is
(Given g = 9.8 m s$$-$$2)
A
3.5
B
5.9
C
16.3
D
110.8
4
AIPMT 2014
MCQ (Single Correct Answer)
+4
-1
A particle is moving such that is position coordinates (x, y) are (2 m, 3 m) at time t = 0, (6 m, 7 m)
at time t = 2 s and (13 m, 14 m) at time t = 5 s.

Average velocity vector $$\left( {{{\overrightarrow v }_{av}}} \right)$$ from t = 0 to t = 5 s is
A
$${1 \over 5}\left( {13\widehat i + 14\widehat j} \right)$$
B
$${7 \over 3}\left( {\widehat i + \widehat j} \right)$$
C
$$2\left( {\widehat i + \widehat j} \right)$$
D
$${11 \over 5}\left( {\widehat i + \widehat j} \right)$$
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