In a system of units if force (F), acceleration (A) and time (T) are taken as fundamentals units then the dimensional formula of energy is
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34%
FAT
28%
FA2T
24%
F2AT
13%
FAT2
π3
The dimensions of kinetic energy is same as that of
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19%
Force
20%
Pressure
53%
Work
8%
Momentum
β€4
Which of the following element has least number of electrons in its M-shell?
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39%
K
33%
Mn
18%
Ni
10%
S
π3π₯2
In the ground state, an element has 13 electrons in its M-shell. The element is_____
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29%
Copper
42%
Chromium
23%
Nickel
6%
Sulphur
π₯°2π1
A sub-shell with n = 6 , l = 2 can accommodate a maximum of
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44%
12 electron
32%
16 electron
15%
26 electron
9%
10 electron
π3β€2
π4
A cyclist goes round a circular path of circumference 343 m in s. The angle made by him, with the vertical is
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30%
420
33%
430
26%
440
11%
450
π1
A coin kept on a rotating gramophone disc just begins to slip if its centre is at a distance of 8 cm from the centre of the disc. The angular velocity of the gramophone disc is then do should be shifted towards the centre, so that the coin will just slip?
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22%
2cm
41%
6cm
30%
16cm
7%
5cm
A body makes a displacement of 4 m due East from a point O and then makes displacement of 3 m due North. Its resultant displacement from O
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27%
7m
38%
5m
28%
1m
7%
1.2m
π3
π₯2
π2
π₯4
π₯°3π1π₯1π1