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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
Astronauts in a stable orbit around the earth are said to be in a weightless condition. The reason for this is that
(a) the capsule and its contents are falling freely at the same rate
(b) there is no gravitational force acting on them
(c) the gravitational force of the earth balances that of the sun
(d) there is no atmosphere at the height at which they are orbiting |
Chemistry |
Multiple Choice Question
An electrophilic reagent must have
| (a) |
a vacant orbital |
(b) |
an orbital containing one electron |
| (c) |
an orbital containing two electrons |
(d) |
all completely filled atomic orbitals |
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Mathematics |
Multiple Choice Question
The
number of real roots of the equation 2x3 - 3x3 + 6x + 6 = 0 is
| (a) |
1 |
(b) |
2 |
| (c) |
3 |
(d) |
none |
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