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Main Subjects MCQs With Answers
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In which quadrant are both sin θ and cos θ negative?
AFirst
BSecond
CThird
DFourth
Which of the following is equal to sin 2θ?
A2 sin θ cos θ
B2 sin θ
Csin²θ + cos²θ
Dcos²θ − sin²θ
cos 2θ is equal to:
A2 sin θ cos θ
Bcos²θ − sin²θ
Ccos²θ + sin²θ
D2cos²θ + 1
On which dates (approximately) do the equinoxes occur, when day and night are nearly equal all over the world?
A21 June and 22 December
B4 January and 4 July
C1 March and 1 September
D21 March and 23 September
Our Sun is classified as which type of star?
ARed giant
BNeutron star
CWhite dwarf
DYellow dwarf (G-type main-sequence star)
A ‘shooting star’ seen streaking across the night sky is actually a:
AFalling star
BComet
CMeteor
DPlanet
The force of gravity on the surface of the Moon is about what fraction of that on the Earth?
AOne-half
BOne-quarter
COne-tenth
DOne-sixth
Which is the largest object in the asteroid belt between Mars and Jupiter, now classified as a dwarf planet?
AVesta
BCeres
CPluto
DEris