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Daily Question Banks for Engineering Entrance and Board Exams
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| Qod Archive |
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| Questions |
Physics |
Multiple Choice Question with Only One Choice Correct
In a hydrogen atom, the electron moves in a circular orbit of radius 0.5 
around a proton. The work done in one full revolution of the electron is (charge of an electron = 1.6 x 10-19 C)
| (a) |
zero |
(b) |
1.6 x 10-19 J |
| (c) |
2.6 x 10-18 J |
(d) |
4.6 x 10-18 J |
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Chemistry |
Multiple Choice Question
The number of nearest neighbours around each particle in a face-centred cubic lattice is
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Mathematics |
Multiple Choice Question
The points with position vectors 60i + 3j, 40i - 8j, ai - 52j are collinear if
| (a) |
a = -40 |
(b) |
a = 40 |
| (c) |
a = 20 |
(d) |
none of these |
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