Related Questions

পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
A 36 N and 81 N
B 36 N and 40.5 N
C 36 N and 20.25 N
D 98 and 40.5 N
E 81 N and 81 N
The distance between the Earth and the Sun (in million kms) is ________
A 111
B 149
C 168
D 193
The distance of the nearest star besides the sun from the earth is ________
A 4.9 × 1111 m
B 95 × 1015 m
C 4.3 light years
D 4.2 light years
The earth is at the least distance from the sun (Perihelion) on ________
A December 22nd
B January 3rd
C July 4th
D June 21st
The distance between the earth and the sun is smallest in the month of ________
A January
B March
C June
D September
The position of the earth in its orbit, when it is at its greatest distance from the Sun causing summer in the Northern hemisphere is ________
A Perihelion
B Aphelion
C Perigee
D Apogee
The earth's annual circuit round the sun covers a distance of ________
A 1,096 million kms
B 1,036 million kms
C 966 million kms
D 896 million kms
একজন অ্যাথলেট পৃথিবীতে দীর্ঘ লাফ দিয়ে সর্বোচ্চ 4 m দূরত্ব যেতে পারেন। এই অ্যাথলেট চাঁদের পৃষ্ঠে দীর্ঘ লাফ দিয়ে সর্বোচ্চ কত দূর যেতে পারবেন ? [পৃথিবীর ভর ও ব্যাসার্ধ চাঁদের ভর ও ব্যাসার্ধের যথাক্রমে 81 গুণ ও 4 গুণ] (An athlete can cross a maximum distance 4 m by a long jump on earth surface. What is the maximum distance the athlete can cross by a long jump on moon's surface? [The mass and radius of earth are 81 times and 4 times of moon's mass and radius, respectively.])
A 0.79m
B 9 m
C 20.25 m
D 16 m
E 32.35 m
As the sun is to earth, So the earth is to.......
A moon
B star
C mars
D Satarn
Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in
A 4.2 seconds
B 42 seconds
C 4.2 years
D 42 years

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