1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A particle is projected making an angle of 45o with horizontal having kinetic energy K. The kinetic energy at highest point will be
A
$${K \over {\sqrt 2 }}$$
B
$${K \over 2}$$
C
2K
D
K
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A disc is rolling, the velocity of its centre of mass is vcm. Which one will be correct?
A
the velocity of highest point is 2 vcm and point of contact is zero
B
the velocity of highest point is vcm and point of contact is vcm
C
the velocity of highest point is 2vcm and point of contact is vcm
D
the velocity of highest point is 2vcm and point of contact is 2vcm.
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
The given truth table is for which logic gate

              $$\matrix{ A & B & Y \cr 1 & 1 & 0 \cr 0 & 1 & 1 \cr 1 & 0 & 1 \cr 0 & 0 & 1 \cr } $$
A
NAND
B
XOR
C
NOR
D
OR
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A cylindrical rod having temperature T1 and T2 at its end. The rate of flow of heat Q1 cal/sec. If all the linear dimension are doubled keeping temperature constant, then rate of flow of heat Q2 will be
A
4Q1
B
2Q1
C
$${{{Q_1}} \over 4}$$
D
$${{{Q_1}} \over 2}$$
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