Related Questions

A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
A Civics and 7th
B Economics and 5th
C Civics and 6th
D History and 7th
The altitudes of heavenly bodies appear to be greater than they actually are. This is due to ________
A Vertical motion of these heavenly bodies
B Motions of the earth
C Atmospheric refraction
D These are visible because of light of the sun reflected from their surface
The most convenient co-ordinate system for specifying the relative positions of heavenly bodies on the celestial sphere, is
A Altitude and azimuth system
B Declination and hour angle system
C Declination and right ascension system
D Declination and altitude system
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
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
In each of the following question, out of the given alternative, choose the one which best expresses the meaning of the quotation part of the sentence. Nobody has yet seen the 'peregrination' of heavenly being on earth.
A visit
B arrival
C traveling
D casting glance on
Heavenly body- এর বাংলা পরিভাষা কোনটি?
A স্বর্গীয় দেহ
B জ্যোতিষ্ক
C প্রেরিত দূত
D ভারী দেহ
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
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

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