Related Questions

Right ascension of a heavenly body is its equatorial angular distance measured
A Westward from the first point of Libra
B Eastward from the first point of Aeries
C Westward from the first point of Aeries
D Eastward from the first point of Libra
The angular distance of a heavenly body from the equator, measured along its meridian, is called
A Declination
B Altitude
C Zenith distance
D Co-latitude
If θ and δ be the latitude of an observer and declination of a heavenly body respectively, the upper culmination of the body will be south of zenith if its zenith distance, is
A δ - θ
B θ - δ
C θ + δ
D $$\frac{1}{2}$$ (θ - δ)
A triangle has a base x and an altitude y. A second triangle has a base twice the altitude of the first triangle, and an altitude twice the base of the first triangle. What is the area of the second triangle?
A 2xy
B 0.5xy
C 0.66xy
D 4xy
The angle between the observer's meridian and declination circle of a heavenly body, is known as
A Hour angle
B Azimuth
C Right ascension
D Declination
The hour angle of the heavenly body for Greenwich meridian equals the hour angle of the body for any other meridian + longitude:
A Mean sun
B True sun
C Vernal equinox
D All the above
Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base.
A Nine times
B Six times
C Four times
D Two times
The center of gravity of a semi-circle lies at a distance of __________ from its base measured along the vertical radius.
A $$\frac{{3{\text{r}}}}{8}$$
B $$\frac{{4{\text{r}}}}{{3\pi }}$$
C $$\frac{{8{\text{r}}}}{3}$$
D $$\frac{{3{\text{r}}}}{{4\pi }}$$
Heavenly body- এর বাংলা পরিভাষা কোনটি?
A স্বর্গীয় দেহ
B জ্যোতিষ্ক
C প্রেরিত দূত
D ভারী দেহ
A heavenly body which takes nearly the same time to complete one rotation and one revolution is
A an asteroid
B a comet
C moon
D mars

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