1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
In the silver plating of copper, K[Ag(CN)2] is used instead of AgNO3. The reason is
A
a thin layer of Ag is formed on Cu
B
more voltage is required
C
Ag+ ions are completely removed from solution
D
less availability of Ag+ ions, as Cu can not displace Ag from [Ag(CN)2]$$-$$ ion.
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
An object of mass 3 kg is at rest. Now a force of $$\overrightarrow F $$ = 6t2 $$\widehat i$$ + 4t $$\widehat j$$ is applied on the object then velocity of object at t = 3 sec. is
A
18$$\widehat i$$ + 3$$\widehat j$$
B
18$$\widehat i$$ + 6$$\widehat j$$
C
3$$\widehat i$$ + 18$$\widehat j$$
D
18$$\widehat i$$ + 4$$\widehat j$$
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A particle A is dropped from a height and another particle B is projected in horizontal direction with speed of 5/sec from the same height then correct statement is
A
particle A will reach at ground first with respect to particle B
B
particle B will reach at ground first with respect to particle A
C
both particles will reach at ground simultaneously
D
both particles will reach at ground with same speed.
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A lift of mass 1000 kg which is moving with acceleration of 1 m/s2 in upward direction, then the tension developed in string which is connected to lift is
A
9800 N
B
10,800 N
C
11,000 N
D
10,000 N.
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