1
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following oxidation states is the most common among the lanthanoids?
A
4
B
2
C
5
D
3
2
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
3
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
The speed of a projectile at its maximum height is half of its initial speed. The angle of projection is
A
60o
B
15o
C
30o
D
45o
4
AIPMT 2010 Mains
MCQ (Single Correct Answer)
+4
-1
A particle moves in x-y plane according to rule x = asin$$\omega $$t and y = acos$$\omega $$t. The particle follows
A
an elliptical path
B
a circular path
C
a parabolic path
D
a straight line path inclined equally to x and y-axes
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